Home / 1,255,288.20-1,882,932.30-413,730.60

Finding the Fourth Proportional to 1,255,288.20, 1,882,932.30 and 413,730.60

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Solution

The fourth proportional to 1,255,288.20, 1,882,932.30 and 413,730.60 is: 620,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,288.20 : 1,882,932.30 = 413,730.60 : x
  2. Step 2: Convert to fraction form
    1,255,288.20/1,882,932.30 = 413,730.60/x
  3. Step 3: Cross multiply
    1,255,288.20x = 1,882,932.30 × 413,730.60
  4. Step 4: Simplify right side
    1,255,288.20x = 779,026,710,238.38
  5. Step 5: Solve for x
    x = 779,026,710,238.38/1,255,288.20
  6. Step 6: Final answer
    x = 620,595.90

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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.