Home / 999,287.55-1,498,192.61-518,825.52

Finding the Fourth Proportional to 999,287.55, 1,498,192.61 and 518,825.52

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Solution

The fourth proportional to 999,287.55, 1,498,192.61 and 518,825.52 is: 777,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,287.55 : 1,498,192.61 = 518,825.52 : x
  2. Step 2: Convert to fraction form
    999,287.55/1,498,192.61 = 518,825.52/x
  3. Step 3: Cross multiply
    999,287.55x = 1,498,192.61 × 518,825.52
  4. Step 4: Simplify right side
    999,287.55x = 777,300,557,349.28
  5. Step 5: Solve for x
    x = 777,300,557,349.28/999,287.55
  6. Step 6: Final answer
    x = 777,854.74

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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.