Home / 1,086,876.20-1,630,314.30-834,642.20

Finding the Fourth Proportional to 1,086,876.20, 1,630,314.30 and 834,642.20

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Solution

The fourth proportional to 1,086,876.20, 1,630,314.30 and 834,642.20 is: 1,251,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,876.20 : 1,630,314.30 = 834,642.20 : x
  2. Step 2: Convert to fraction form
    1,086,876.20/1,630,314.30 = 834,642.20/x
  3. Step 3: Cross multiply
    1,086,876.20x = 1,630,314.30 × 834,642.20
  4. Step 4: Simplify right side
    1,086,876.20x = 1,360,729,114,043.46
  5. Step 5: Solve for x
    x = 1,360,729,114,043.46/1,086,876.20
  6. Step 6: Final answer
    x = 1,251,963.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.