Home / 1,456,999.20-2,185,498.80-392,148.90

Finding the Fourth Proportional to 1,456,999.20, 2,185,498.80 and 392,148.90

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Solution

The fourth proportional to 1,456,999.20, 2,185,498.80 and 392,148.90 is: 588,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,999.20 : 2,185,498.80 = 392,148.90 : x
  2. Step 2: Convert to fraction form
    1,456,999.20/2,185,498.80 = 392,148.90/x
  3. Step 3: Cross multiply
    1,456,999.20x = 2,185,498.80 × 392,148.90
  4. Step 4: Simplify right side
    1,456,999.20x = 857,040,950,371.32
  5. Step 5: Solve for x
    x = 857,040,950,371.32/1,456,999.20
  6. Step 6: Final answer
    x = 588,223.35

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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.