Home / 1,132,815.20-1,695,286.20-778,521.20

Finding the Fourth Proportional to 1,132,815.20, 1,695,286.20 and 778,521.20

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Solution

The fourth proportional to 1,132,815.20, 1,695,286.20 and 778,521.20 is: 1,165,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,815.20 : 1,695,286.20 = 778,521.20 : x
  2. Step 2: Convert to fraction form
    1,132,815.20/1,695,286.20 = 778,521.20/x
  3. Step 3: Cross multiply
    1,132,815.20x = 1,695,286.20 × 778,521.20
  4. Step 4: Simplify right side
    1,132,815.20x = 1,319,816,246,767.44
  5. Step 5: Solve for x
    x = 1,319,816,246,767.44/1,132,815.20
  6. Step 6: Final answer
    x = 1,165,076.39

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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.