Home / 1,585,521.66-2,188,008.78-860,350.92

Finding the Fourth Proportional to 1,585,521.66, 2,188,008.78 and 860,350.92

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Solution

The fourth proportional to 1,585,521.66, 2,188,008.78 and 860,350.92 is: 1,187,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,521.66 : 2,188,008.78 = 860,350.92 : x
  2. Step 2: Convert to fraction form
    1,585,521.66/2,188,008.78 = 860,350.92/x
  3. Step 3: Cross multiply
    1,585,521.66x = 2,188,008.78 × 860,350.92
  4. Step 4: Simplify right side
    1,585,521.66x = 1,882,455,366,841.08
  5. Step 5: Solve for x
    x = 1,882,455,366,841.08/1,585,521.66
  6. Step 6: Final answer
    x = 1,187,278.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.