Home / 1,108,652.40-1,663,634.70-730,665.90

Finding the Fourth Proportional to 1,108,652.40, 1,663,634.70 and 730,665.90

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Solution

The fourth proportional to 1,108,652.40, 1,663,634.70 and 730,665.90 is: 1,096,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,652.40 : 1,663,634.70 = 730,665.90 : x
  2. Step 2: Convert to fraction form
    1,108,652.40/1,663,634.70 = 730,665.90/x
  3. Step 3: Cross multiply
    1,108,652.40x = 1,663,634.70 × 730,665.90
  4. Step 4: Simplify right side
    1,108,652.40x = 1,215,561,145,346.73
  5. Step 5: Solve for x
    x = 1,215,561,145,346.73/1,108,652.40
  6. Step 6: Final answer
    x = 1,096,431.26

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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.