Home / 1,340,871.80-1,850,138.32-752,190.80

Finding the Fourth Proportional to 1,340,871.80, 1,850,138.32 and 752,190.80

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Solution

The fourth proportional to 1,340,871.80, 1,850,138.32 and 752,190.80 is: 1,037,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,871.80 : 1,850,138.32 = 752,190.80 : x
  2. Step 2: Convert to fraction form
    1,340,871.80/1,850,138.32 = 752,190.80/x
  3. Step 3: Cross multiply
    1,340,871.80x = 1,850,138.32 × 752,190.80
  4. Step 4: Simplify right side
    1,340,871.80x = 1,391,657,023,031.46
  5. Step 5: Solve for x
    x = 1,391,657,023,031.46/1,340,871.80
  6. Step 6: Final answer
    x = 1,037,874.78

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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.