Home / 1,075,415.40-1,613,123.10-327,364.20

Finding the Fourth Proportional to 1,075,415.40, 1,613,123.10 and 327,364.20

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Solution

The fourth proportional to 1,075,415.40, 1,613,123.10 and 327,364.20 is: 491,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,415.40 : 1,613,123.10 = 327,364.20 : x
  2. Step 2: Convert to fraction form
    1,075,415.40/1,613,123.10 = 327,364.20/x
  3. Step 3: Cross multiply
    1,075,415.40x = 1,613,123.10 × 327,364.20
  4. Step 4: Simplify right side
    1,075,415.40x = 528,078,753,133.02
  5. Step 5: Solve for x
    x = 528,078,753,133.02/1,075,415.40
  6. Step 6: Final answer
    x = 491,046.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.