Home / 1,425,547.93-2,138,641.04-478,892.83

Finding the Fourth Proportional to 1,425,547.93, 2,138,641.04 and 478,892.83

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Solution

The fourth proportional to 1,425,547.93, 2,138,641.04 and 478,892.83 is: 718,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,547.93 : 2,138,641.04 = 478,892.83 : x
  2. Step 2: Convert to fraction form
    1,425,547.93/2,138,641.04 = 478,892.83/x
  3. Step 3: Cross multiply
    1,425,547.93x = 2,138,641.04 × 478,892.83
  4. Step 4: Simplify right side
    1,425,547.93x = 1,024,179,857,605.28
  5. Step 5: Solve for x
    x = 1,024,179,857,605.28/1,425,547.93
  6. Step 6: Final answer
    x = 718,446.46

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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.