Home / 1,172,495.76-1,758,773.92-319,574.40

Finding the Fourth Proportional to 1,172,495.76, 1,758,773.92 and 319,574.40

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Solution

The fourth proportional to 1,172,495.76, 1,758,773.92 and 319,574.40 is: 479,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,495.76 : 1,758,773.92 = 319,574.40 : x
  2. Step 2: Convert to fraction form
    1,172,495.76/1,758,773.92 = 319,574.40/x
  3. Step 3: Cross multiply
    1,172,495.76x = 1,758,773.92 × 319,574.40
  4. Step 4: Simplify right side
    1,172,495.76x = 562,059,120,219.65
  5. Step 5: Solve for x
    x = 562,059,120,219.65/1,172,495.76
  6. Step 6: Final answer
    x = 479,369.85

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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.