Home / 1,238,391.48-1,707,398.19-802,037.90

Finding the Fourth Proportional to 1,238,391.48, 1,707,398.19 and 802,037.90

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Solution

The fourth proportional to 1,238,391.48, 1,707,398.19 and 802,037.90 is: 1,105,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,391.48 : 1,707,398.19 = 802,037.90 : x
  2. Step 2: Convert to fraction form
    1,238,391.48/1,707,398.19 = 802,037.90/x
  3. Step 3: Cross multiply
    1,238,391.48x = 1,707,398.19 × 802,037.90
  4. Step 4: Simplify right side
    1,238,391.48x = 1,369,398,063,039.90
  5. Step 5: Solve for x
    x = 1,369,398,063,039.90/1,238,391.48
  6. Step 6: Final answer
    x = 1,105,787.69

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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.