Home / 1,001,165.64-1,381,227.19-740,147.70

Finding the Fourth Proportional to 1,001,165.64, 1,381,227.19 and 740,147.70

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Solution

The fourth proportional to 1,001,165.64, 1,381,227.19 and 740,147.70 is: 1,021,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,165.64 : 1,381,227.19 = 740,147.70 : x
  2. Step 2: Convert to fraction form
    1,001,165.64/1,381,227.19 = 740,147.70/x
  3. Step 3: Cross multiply
    1,001,165.64x = 1,381,227.19 × 740,147.70
  4. Step 4: Simplify right side
    1,001,165.64x = 1,022,312,127,855.96
  5. Step 5: Solve for x
    x = 1,022,312,127,855.96/1,001,165.64
  6. Step 6: Final answer
    x = 1,021,121.87

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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.