Home / 1,001,488.60-1,502,232.90-402,542.20

Finding the Fourth Proportional to 1,001,488.60, 1,502,232.90 and 402,542.20

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Solution

The fourth proportional to 1,001,488.60, 1,502,232.90 and 402,542.20 is: 603,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,488.60 : 1,502,232.90 = 402,542.20 : x
  2. Step 2: Convert to fraction form
    1,001,488.60/1,502,232.90 = 402,542.20/x
  3. Step 3: Cross multiply
    1,001,488.60x = 1,502,232.90 × 402,542.20
  4. Step 4: Simplify right side
    1,001,488.60x = 604,712,136,478.38
  5. Step 5: Solve for x
    x = 604,712,136,478.38/1,001,488.60
  6. Step 6: Final answer
    x = 603,813.30

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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.