Home / 1,540,439.78-2,125,643.31-852,002.24

Finding the Fourth Proportional to 1,540,439.78, 2,125,643.31 and 852,002.24

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Solution

The fourth proportional to 1,540,439.78, 2,125,643.31 and 852,002.24 is: 1,175,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,439.78 : 2,125,643.31 = 852,002.24 : x
  2. Step 2: Convert to fraction form
    1,540,439.78/2,125,643.31 = 852,002.24/x
  3. Step 3: Cross multiply
    1,540,439.78x = 2,125,643.31 × 852,002.24
  4. Step 4: Simplify right side
    1,540,439.78x = 1,811,052,850,932.80
  5. Step 5: Solve for x
    x = 1,811,052,850,932.80/1,540,439.78
  6. Step 6: Final answer
    x = 1,175,672.61

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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.