Home / 1,009,244.30-1,515,972.45-851,780.30

Finding the Fourth Proportional to 1,009,244.30, 1,515,972.45 and 851,780.30

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Solution

The fourth proportional to 1,009,244.30, 1,515,972.45 and 851,780.30 is: 1,279,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,244.30 : 1,515,972.45 = 851,780.30 : x
  2. Step 2: Convert to fraction form
    1,009,244.30/1,515,972.45 = 851,780.30/x
  3. Step 3: Cross multiply
    1,009,244.30x = 1,515,972.45 × 851,780.30
  4. Step 4: Simplify right side
    1,009,244.30x = 1,291,275,468,252.74
  5. Step 5: Solve for x
    x = 1,291,275,468,252.74/1,009,244.30
  6. Step 6: Final answer
    x = 1,279,447.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.