Home / 1,075,734.20-1,613,601.30-445,878.20

Finding the Fourth Proportional to 1,075,734.20, 1,613,601.30 and 445,878.20

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Solution

The fourth proportional to 1,075,734.20, 1,613,601.30 and 445,878.20 is: 668,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,734.20 : 1,613,601.30 = 445,878.20 : x
  2. Step 2: Convert to fraction form
    1,075,734.20/1,613,601.30 = 445,878.20/x
  3. Step 3: Cross multiply
    1,075,734.20x = 1,613,601.30 × 445,878.20
  4. Step 4: Simplify right side
    1,075,734.20x = 719,469,643,161.66
  5. Step 5: Solve for x
    x = 719,469,643,161.66/1,075,734.20
  6. Step 6: Final answer
    x = 668,817.30

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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.