Home / 1,359,422.94-2,039,134.56-647,292

Finding the Fourth Proportional to 1,359,422.94, 2,039,134.56 and 647,292

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Solution

The fourth proportional to 1,359,422.94, 2,039,134.56 and 647,292 is: 970,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,422.94 : 2,039,134.56 = 647,292 : x
  2. Step 2: Convert to fraction form
    1,359,422.94/2,039,134.56 = 647,292/x
  3. Step 3: Cross multiply
    1,359,422.94x = 2,039,134.56 × 647,292
  4. Step 4: Simplify right side
    1,359,422.94x = 1,319,915,487,611.52
  5. Step 5: Solve for x
    x = 1,319,915,487,611.52/1,359,422.94
  6. Step 6: Final answer
    x = 970,938.07

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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.