Home / 1,154,423.80-1,731,635.70-1,124,899.30

Finding the Fourth Proportional to 1,154,423.80, 1,731,635.70 and 1,124,899.30

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Solution

The fourth proportional to 1,154,423.80, 1,731,635.70 and 1,124,899.30 is: 1,687,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,423.80 : 1,731,635.70 = 1,124,899.30 : x
  2. Step 2: Convert to fraction form
    1,154,423.80/1,731,635.70 = 1,124,899.30/x
  3. Step 3: Cross multiply
    1,154,423.80x = 1,731,635.70 × 1,124,899.30
  4. Step 4: Simplify right side
    1,154,423.80x = 1,947,915,786,785.01
  5. Step 5: Solve for x
    x = 1,947,915,786,785.01/1,154,423.80
  6. Step 6: Final answer
    x = 1,687,348.95

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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.