Home / 1,585,639.80-2,188,184.31-860,487.50

Finding the Fourth Proportional to 1,585,639.80, 2,188,184.31 and 860,487.50

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Solution

The fourth proportional to 1,585,639.80, 2,188,184.31 and 860,487.50 is: 1,187,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,639.80 : 2,188,184.31 = 860,487.50 : x
  2. Step 2: Convert to fraction form
    1,585,639.80/2,188,184.31 = 860,487.50/x
  3. Step 3: Cross multiply
    1,585,639.80x = 2,188,184.31 × 860,487.50
  4. Step 4: Simplify right side
    1,585,639.80x = 1,882,905,235,510.20
  5. Step 5: Solve for x
    x = 1,882,905,235,510.20/1,585,639.80
  6. Step 6: Final answer
    x = 1,187,473.50

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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.