Home / 1,561,825.79-2,342,279.11-708,403.71

Finding the Fourth Proportional to 1,561,825.79, 2,342,279.11 and 708,403.71

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Solution

The fourth proportional to 1,561,825.79, 2,342,279.11 and 708,403.71 is: 1,062,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,825.79 : 2,342,279.11 = 708,403.71 : x
  2. Step 2: Convert to fraction form
    1,561,825.79/2,342,279.11 = 708,403.71/x
  3. Step 3: Cross multiply
    1,561,825.79x = 2,342,279.11 × 708,403.71
  4. Step 4: Simplify right side
    1,561,825.79x = 1,659,279,211,379.50
  5. Step 5: Solve for x
    x = 1,659,279,211,379.50/1,561,825.79
  6. Step 6: Final answer
    x = 1,062,397.11

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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.