Home / 1,008,172.86-1,391,265.75-549,306.54

Finding the Fourth Proportional to 1,008,172.86, 1,391,265.75 and 549,306.54

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Solution

The fourth proportional to 1,008,172.86, 1,391,265.75 and 549,306.54 is: 758,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,172.86 : 1,391,265.75 = 549,306.54 : x
  2. Step 2: Convert to fraction form
    1,008,172.86/1,391,265.75 = 549,306.54/x
  3. Step 3: Cross multiply
    1,008,172.86x = 1,391,265.75 × 549,306.54
  4. Step 4: Simplify right side
    1,008,172.86x = 764,231,377,412.91
  5. Step 5: Solve for x
    x = 764,231,377,412.91/1,008,172.86
  6. Step 6: Final answer
    x = 758,036.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.