Home / 1,151,948.76-1,728,694.42-478,030.70

Finding the Fourth Proportional to 1,151,948.76, 1,728,694.42 and 478,030.70

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Solution

The fourth proportional to 1,151,948.76, 1,728,694.42 and 478,030.70 is: 717,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,948.76 : 1,728,694.42 = 478,030.70 : x
  2. Step 2: Convert to fraction form
    1,151,948.76/1,728,694.42 = 478,030.70/x
  3. Step 3: Cross multiply
    1,151,948.76x = 1,728,694.42 × 478,030.70
  4. Step 4: Simplify right side
    1,151,948.76x = 826,369,003,678.69
  5. Step 5: Solve for x
    x = 826,369,003,678.69/1,151,948.76
  6. Step 6: Final answer
    x = 717,366.11

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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.