Home / 1,292,664.27-1,783,876.68-748,905.15

Finding the Fourth Proportional to 1,292,664.27, 1,783,876.68 and 748,905.15

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Solution

The fourth proportional to 1,292,664.27, 1,783,876.68 and 748,905.15 is: 1,033,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,664.27 : 1,783,876.68 = 748,905.15 : x
  2. Step 2: Convert to fraction form
    1,292,664.27/1,783,876.68 = 748,905.15/x
  3. Step 3: Cross multiply
    1,292,664.27x = 1,783,876.68 × 748,905.15
  4. Step 4: Simplify right side
    1,292,664.27x = 1,335,954,432,616.90
  5. Step 5: Solve for x
    x = 1,335,954,432,616.90/1,292,664.27
  6. Step 6: Final answer
    x = 1,033,489.10

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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.