Home / 1,273,138.46-1,761,557.47-1,110,134.87

Finding the Fourth Proportional to 1,273,138.46, 1,761,557.47 and 1,110,134.87

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Solution

The fourth proportional to 1,273,138.46, 1,761,557.47 and 1,110,134.87 is: 1,536,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,138.46 : 1,761,557.47 = 1,110,134.87 : x
  2. Step 2: Convert to fraction form
    1,273,138.46/1,761,557.47 = 1,110,134.87/x
  3. Step 3: Cross multiply
    1,273,138.46x = 1,761,557.47 × 1,110,134.87
  4. Step 4: Simplify right side
    1,273,138.46x = 1,955,566,374,223.20
  5. Step 5: Solve for x
    x = 1,955,566,374,223.20/1,273,138.46
  6. Step 6: Final answer
    x = 1,536,020.19

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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.