Home / 1,172,319.15-1,758,508.49-319,397.65

Finding the Fourth Proportional to 1,172,319.15, 1,758,508.49 and 319,397.65

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Solution

The fourth proportional to 1,172,319.15, 1,758,508.49 and 319,397.65 is: 479,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,319.15 : 1,758,508.49 = 319,397.65 : x
  2. Step 2: Convert to fraction form
    1,172,319.15/1,758,508.49 = 319,397.65/x
  3. Step 3: Cross multiply
    1,172,319.15x = 1,758,508.49 × 319,397.65
  4. Step 4: Simplify right side
    1,172,319.15x = 561,663,479,211.05
  5. Step 5: Solve for x
    x = 561,663,479,211.05/1,172,319.15
  6. Step 6: Final answer
    x = 479,104.58

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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.