Home / 1,023,405.30-1,412,877.60-679,830.30

Finding the Fourth Proportional to 1,023,405.30, 1,412,877.60 and 679,830.30

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Solution

The fourth proportional to 1,023,405.30, 1,412,877.60 and 679,830.30 is: 938,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,405.30 : 1,412,877.60 = 679,830.30 : x
  2. Step 2: Convert to fraction form
    1,023,405.30/1,412,877.60 = 679,830.30/x
  3. Step 3: Cross multiply
    1,023,405.30x = 1,412,877.60 × 679,830.30
  4. Step 4: Simplify right side
    1,023,405.30x = 960,517,002,671.28
  5. Step 5: Solve for x
    x = 960,517,002,671.28/1,023,405.30
  6. Step 6: Final answer
    x = 938,549.96

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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.