Home / 1,585,657.47-2,188,208.61-860,505.17

Finding the Fourth Proportional to 1,585,657.47, 2,188,208.61 and 860,505.17

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Solution

The fourth proportional to 1,585,657.47, 2,188,208.61 and 860,505.17 is: 1,187,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,657.47 : 2,188,208.61 = 860,505.17 : x
  2. Step 2: Convert to fraction form
    1,585,657.47/2,188,208.61 = 860,505.17/x
  3. Step 3: Cross multiply
    1,585,657.47x = 2,188,208.61 × 860,505.17
  4. Step 4: Simplify right side
    1,585,657.47x = 1,882,964,811,002.47
  5. Step 5: Solve for x
    x = 1,882,964,811,002.47/1,585,657.47
  6. Step 6: Final answer
    x = 1,187,497.83

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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.