Home / 1,146,126.70-1,581,562.20-662,723.20

Finding the Fourth Proportional to 1,146,126.70, 1,581,562.20 and 662,723.20

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Solution

The fourth proportional to 1,146,126.70, 1,581,562.20 and 662,723.20 is: 914,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,126.70 : 1,581,562.20 = 662,723.20 : x
  2. Step 2: Convert to fraction form
    1,146,126.70/1,581,562.20 = 662,723.20/x
  3. Step 3: Cross multiply
    1,146,126.70x = 1,581,562.20 × 662,723.20
  4. Step 4: Simplify right side
    1,146,126.70x = 1,048,137,962,183.04
  5. Step 5: Solve for x
    x = 1,048,137,962,183.04/1,146,126.70
  6. Step 6: Final answer
    x = 914,504.45

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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.