Home / 1,585,637.15-2,188,180.67-860,484.87

Finding the Fourth Proportional to 1,585,637.15, 2,188,180.67 and 860,484.87

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Solution

The fourth proportional to 1,585,637.15, 2,188,180.67 and 860,484.87 is: 1,187,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,637.15 : 2,188,180.67 = 860,484.87 : x
  2. Step 2: Convert to fraction form
    1,585,637.15/2,188,180.67 = 860,484.87/x
  3. Step 3: Cross multiply
    1,585,637.15x = 2,188,180.67 × 860,484.87
  4. Step 4: Simplify right side
    1,585,637.15x = 1,882,896,355,059.04
  5. Step 5: Solve for x
    x = 1,882,896,355,059.04/1,585,637.15
  6. Step 6: Final answer
    x = 1,187,469.88

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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.