Home / 1,456,927.20-2,185,390.80-392,076.90

Finding the Fourth Proportional to 1,456,927.20, 2,185,390.80 and 392,076.90

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Solution

The fourth proportional to 1,456,927.20, 2,185,390.80 and 392,076.90 is: 588,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,927.20 : 2,185,390.80 = 392,076.90 : x
  2. Step 2: Convert to fraction form
    1,456,927.20/2,185,390.80 = 392,076.90/x
  3. Step 3: Cross multiply
    1,456,927.20x = 2,185,390.80 × 392,076.90
  4. Step 4: Simplify right side
    1,456,927.20x = 856,841,250,152.52
  5. Step 5: Solve for x
    x = 856,841,250,152.52/1,456,927.20
  6. Step 6: Final answer
    x = 588,115.35

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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.