Home / 1,005,497.10-1,387,123.65-890,892.63

Finding the Fourth Proportional to 1,005,497.10, 1,387,123.65 and 890,892.63

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Solution

The fourth proportional to 1,005,497.10, 1,387,123.65 and 890,892.63 is: 1,229,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,497.10 : 1,387,123.65 = 890,892.63 : x
  2. Step 2: Convert to fraction form
    1,005,497.10/1,387,123.65 = 890,892.63/x
  3. Step 3: Cross multiply
    1,005,497.10x = 1,387,123.65 × 890,892.63
  4. Step 4: Simplify right side
    1,005,497.10x = 1,235,778,236,683.70
  5. Step 5: Solve for x
    x = 1,235,778,236,683.70/1,005,497.10
  6. Step 6: Final answer
    x = 1,229,022.18

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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.