Home / 1,264,366.56-1,744,825.10-691,406.74

Finding the Fourth Proportional to 1,264,366.56, 1,744,825.10 and 691,406.74

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Solution

The fourth proportional to 1,264,366.56, 1,744,825.10 and 691,406.74 is: 954,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,366.56 : 1,744,825.10 = 691,406.74 : x
  2. Step 2: Convert to fraction form
    1,264,366.56/1,744,825.10 = 691,406.74/x
  3. Step 3: Cross multiply
    1,264,366.56x = 1,744,825.10 × 691,406.74
  4. Step 4: Simplify right side
    1,264,366.56x = 1,206,383,834,261.17
  5. Step 5: Solve for x
    x = 1,206,383,834,261.17/1,264,366.56
  6. Step 6: Final answer
    x = 954,140.89

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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.