Home / 1,299,490.56-1,793,320.56-726,469.56

Finding the Fourth Proportional to 1,299,490.56, 1,793,320.56 and 726,469.56

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Solution

The fourth proportional to 1,299,490.56, 1,793,320.56 and 726,469.56 is: 1,002,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,490.56 : 1,793,320.56 = 726,469.56 : x
  2. Step 2: Convert to fraction form
    1,299,490.56/1,793,320.56 = 726,469.56/x
  3. Step 3: Cross multiply
    1,299,490.56x = 1,793,320.56 × 726,469.56
  4. Step 4: Simplify right side
    1,299,490.56x = 1,302,792,798,162.15
  5. Step 5: Solve for x
    x = 1,302,792,798,162.15/1,299,490.56
  6. Step 6: Final answer
    x = 1,002,541.18

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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.