Home / 1,478,412.40-2,217,454.58-413,562.10

Finding the Fourth Proportional to 1,478,412.40, 2,217,454.58 and 413,562.10

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Solution

The fourth proportional to 1,478,412.40, 2,217,454.58 and 413,562.10 is: 620,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412.40 : 2,217,454.58 = 413,562.10 : x
  2. Step 2: Convert to fraction form
    1,478,412.40/2,217,454.58 = 413,562.10/x
  3. Step 3: Cross multiply
    1,478,412.40x = 2,217,454.58 × 413,562.10
  4. Step 4: Simplify right side
    1,478,412.40x = 917,055,170,691.61
  5. Step 5: Solve for x
    x = 917,055,170,691.61/1,478,412.40
  6. Step 6: Final answer
    x = 620,297.27

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Double scale
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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.