Home / 1,029,932.20-1,545,044.10-319,886.20

Finding the Fourth Proportional to 1,029,932.20, 1,545,044.10 and 319,886.20

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Solution

The fourth proportional to 1,029,932.20, 1,545,044.10 and 319,886.20 is: 479,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,932.20 : 1,545,044.10 = 319,886.20 : x
  2. Step 2: Convert to fraction form
    1,029,932.20/1,545,044.10 = 319,886.20/x
  3. Step 3: Cross multiply
    1,029,932.20x = 1,545,044.10 × 319,886.20
  4. Step 4: Simplify right side
    1,029,932.20x = 494,238,285,981.42
  5. Step 5: Solve for x
    x = 494,238,285,981.42/1,029,932.20
  6. Step 6: Final answer
    x = 479,874.58

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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.