Home / 1,216,909.30-1,825,363.95-744,517.30

Finding the Fourth Proportional to 1,216,909.30, 1,825,363.95 and 744,517.30

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Solution

The fourth proportional to 1,216,909.30, 1,825,363.95 and 744,517.30 is: 1,116,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,909.30 : 1,825,363.95 = 744,517.30 : x
  2. Step 2: Convert to fraction form
    1,216,909.30/1,825,363.95 = 744,517.30/x
  3. Step 3: Cross multiply
    1,216,909.30x = 1,825,363.95 × 744,517.30
  4. Step 4: Simplify right side
    1,216,909.30x = 1,359,015,039,571.34
  5. Step 5: Solve for x
    x = 1,359,015,039,571.34/1,216,909.30
  6. Step 6: Final answer
    x = 1,116,775.95

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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.