Home / 1,491,569.52-2,058,355.42-812,506.04

Finding the Fourth Proportional to 1,491,569.52, 2,058,355.42 and 812,506.04

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Solution

The fourth proportional to 1,491,569.52, 2,058,355.42 and 812,506.04 is: 1,121,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,569.52 : 2,058,355.42 = 812,506.04 : x
  2. Step 2: Convert to fraction form
    1,491,569.52/2,058,355.42 = 812,506.04/x
  3. Step 3: Cross multiply
    1,491,569.52x = 2,058,355.42 × 812,506.04
  4. Step 4: Simplify right side
    1,491,569.52x = 1,672,426,211,216.74
  5. Step 5: Solve for x
    x = 1,672,426,211,216.74/1,491,569.52
  6. Step 6: Final answer
    x = 1,121,252.61

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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.