Home / 1,752,138.85-2,417,947.09-977,761.44

Finding the Fourth Proportional to 1,752,138.85, 2,417,947.09 and 977,761.44

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Solution

The fourth proportional to 1,752,138.85, 2,417,947.09 and 977,761.44 is: 1,349,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,138.85 : 2,417,947.09 = 977,761.44 : x
  2. Step 2: Convert to fraction form
    1,752,138.85/2,417,947.09 = 977,761.44/x
  3. Step 3: Cross multiply
    1,752,138.85x = 2,417,947.09 × 977,761.44
  4. Step 4: Simplify right side
    1,752,138.85x = 2,364,175,428,562.21
  5. Step 5: Solve for x
    x = 2,364,175,428,562.21/1,752,138.85
  6. Step 6: Final answer
    x = 1,349,308.26

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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.