Home / 1,151,741.52-1,726,874.12-478,287.68

Finding the Fourth Proportional to 1,151,741.52, 1,726,874.12 and 478,287.68

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Solution

The fourth proportional to 1,151,741.52, 1,726,874.12 and 478,287.68 is: 717,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,741.52 : 1,726,874.12 = 478,287.68 : x
  2. Step 2: Convert to fraction form
    1,151,741.52/1,726,874.12 = 478,287.68/x
  3. Step 3: Cross multiply
    1,151,741.52x = 1,726,874.12 × 478,287.68
  4. Step 4: Simplify right side
    1,151,741.52x = 825,942,609,068.19
  5. Step 5: Solve for x
    x = 825,942,609,068.19/1,151,741.52
  6. Step 6: Final answer
    x = 717,124.98

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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.