Home / 1,145,920.85-1,581,278.21-662,517.13

Finding the Fourth Proportional to 1,145,920.85, 1,581,278.21 and 662,517.13

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Solution

The fourth proportional to 1,145,920.85, 1,581,278.21 and 662,517.13 is: 914,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,920.85 : 1,581,278.21 = 662,517.13 : x
  2. Step 2: Convert to fraction form
    1,145,920.85/1,581,278.21 = 662,517.13/x
  3. Step 3: Cross multiply
    1,145,920.85x = 1,581,278.21 × 662,517.13
  4. Step 4: Simplify right side
    1,145,920.85x = 1,047,623,905,914.97
  5. Step 5: Solve for x
    x = 1,047,623,905,914.97/1,145,920.85
  6. Step 6: Final answer
    x = 914,220.13

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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.