Home / 1,415,542.90-2,123,314.35-404,662.90

Finding the Fourth Proportional to 1,415,542.90, 2,123,314.35 and 404,662.90

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Solution

The fourth proportional to 1,415,542.90, 2,123,314.35 and 404,662.90 is: 606,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,542.90 : 2,123,314.35 = 404,662.90 : x
  2. Step 2: Convert to fraction form
    1,415,542.90/2,123,314.35 = 404,662.90/x
  3. Step 3: Cross multiply
    1,415,542.90x = 2,123,314.35 × 404,662.90
  4. Step 4: Simplify right side
    1,415,542.90x = 859,226,542,482.62
  5. Step 5: Solve for x
    x = 859,226,542,482.62/1,415,542.90
  6. Step 6: Final answer
    x = 606,994.35

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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.