Home / 1,057,123.40-1,582,445.10-582,355.40

Finding the Fourth Proportional to 1,057,123.40, 1,582,445.10 and 582,355.40

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Solution

The fourth proportional to 1,057,123.40, 1,582,445.10 and 582,355.40 is: 871,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,123.40 : 1,582,445.10 = 582,355.40 : x
  2. Step 2: Convert to fraction form
    1,057,123.40/1,582,445.10 = 582,355.40/x
  3. Step 3: Cross multiply
    1,057,123.40x = 1,582,445.10 × 582,355.40
  4. Step 4: Simplify right side
    1,057,123.40x = 921,545,449,188.54
  5. Step 5: Solve for x
    x = 921,545,449,188.54/1,057,123.40
  6. Step 6: Final answer
    x = 871,748.23

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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.