Home / 1,000,739.78-1,381,015.09-541,844.87

Finding the Fourth Proportional to 1,000,739.78, 1,381,015.09 and 541,844.87

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Solution

The fourth proportional to 1,000,739.78, 1,381,015.09 and 541,844.87 is: 747,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,739.78 : 1,381,015.09 = 541,844.87 : x
  2. Step 2: Convert to fraction form
    1,000,739.78/1,381,015.09 = 541,844.87/x
  3. Step 3: Cross multiply
    1,000,739.78x = 1,381,015.09 × 541,844.87
  4. Step 4: Simplify right side
    1,000,739.78x = 748,295,949,828.61
  5. Step 5: Solve for x
    x = 748,295,949,828.61/1,000,739.78
  6. Step 6: Final answer
    x = 747,742.78

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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.