Home / 1,292,264.80-1,940,470.80-873,397.60

Finding the Fourth Proportional to 1,292,264.80, 1,940,470.80 and 873,397.60

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Solution

The fourth proportional to 1,292,264.80, 1,940,470.80 and 873,397.60 is: 1,311,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,264.80 : 1,940,470.80 = 873,397.60 : x
  2. Step 2: Convert to fraction form
    1,292,264.80/1,940,470.80 = 873,397.60/x
  3. Step 3: Cross multiply
    1,292,264.80x = 1,940,470.80 × 873,397.60
  4. Step 4: Simplify right side
    1,292,264.80x = 1,694,802,539,590.08
  5. Step 5: Solve for x
    x = 1,694,802,539,590.08/1,292,264.80
  6. Step 6: Final answer
    x = 1,311,497.88

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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.