Home / 1,264,356.60-1,891,869.30-1,152,382.20

Finding the Fourth Proportional to 1,264,356.60, 1,891,869.30 and 1,152,382.20

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Solution

The fourth proportional to 1,264,356.60, 1,891,869.30 and 1,152,382.20 is: 1,724,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,356.60 : 1,891,869.30 = 1,152,382.20 : x
  2. Step 2: Convert to fraction form
    1,264,356.60/1,891,869.30 = 1,152,382.20/x
  3. Step 3: Cross multiply
    1,264,356.60x = 1,891,869.30 × 1,152,382.20
  4. Step 4: Simplify right side
    1,264,356.60x = 2,180,156,506,046.46
  5. Step 5: Solve for x
    x = 2,180,156,506,046.46/1,264,356.60
  6. Step 6: Final answer
    x = 1,724,320.90

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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.