Home / 1,482,143.28-2,045,359.20-803,079.78

Finding the Fourth Proportional to 1,482,143.28, 2,045,359.20 and 803,079.78

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Solution

The fourth proportional to 1,482,143.28, 2,045,359.20 and 803,079.78 is: 1,108,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,143.28 : 2,045,359.20 = 803,079.78 : x
  2. Step 2: Convert to fraction form
    1,482,143.28/2,045,359.20 = 803,079.78/x
  3. Step 3: Cross multiply
    1,482,143.28x = 2,045,359.20 × 803,079.78
  4. Step 4: Simplify right side
    1,482,143.28x = 1,642,586,616,356.98
  5. Step 5: Solve for x
    x = 1,642,586,616,356.98/1,482,143.28
  6. Step 6: Final answer
    x = 1,108,250.89

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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.