Home / 748,726.70-1,123,090.05-667,856.30

Finding the Fourth Proportional to 748,726.70, 1,123,090.05 and 667,856.30

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Solution

The fourth proportional to 748,726.70, 1,123,090.05 and 667,856.30 is: 1,001,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,726.70 : 1,123,090.05 = 667,856.30 : x
  2. Step 2: Convert to fraction form
    748,726.70/1,123,090.05 = 667,856.30/x
  3. Step 3: Cross multiply
    748,726.70x = 1,123,090.05 × 667,856.30
  4. Step 4: Simplify right side
    748,726.70x = 750,062,765,359.82
  5. Step 5: Solve for x
    x = 750,062,765,359.82/748,726.70
  6. Step 6: Final answer
    x = 1,001,784.45

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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.