Home / 1,309,129.92-1,963,904.04-456,446.97

Finding the Fourth Proportional to 1,309,129.92, 1,963,904.04 and 456,446.97

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Solution

The fourth proportional to 1,309,129.92, 1,963,904.04 and 456,446.97 is: 684,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,129.92 : 1,963,904.04 = 456,446.97 : x
  2. Step 2: Convert to fraction form
    1,309,129.92/1,963,904.04 = 456,446.97/x
  3. Step 3: Cross multiply
    1,309,129.92x = 1,963,904.04 × 456,446.97
  4. Step 4: Simplify right side
    1,309,129.92x = 896,418,048,428.76
  5. Step 5: Solve for x
    x = 896,418,048,428.76/1,309,129.92
  6. Step 6: Final answer
    x = 684,743.38

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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.