Home / 1,158,691.20-1,736,481.60-825,878.40

Finding the Fourth Proportional to 1,158,691.20, 1,736,481.60 and 825,878.40

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Solution

The fourth proportional to 1,158,691.20, 1,736,481.60 and 825,878.40 is: 1,237,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,691.20 : 1,736,481.60 = 825,878.40 : x
  2. Step 2: Convert to fraction form
    1,158,691.20/1,736,481.60 = 825,878.40/x
  3. Step 3: Cross multiply
    1,158,691.20x = 1,736,481.60 × 825,878.40
  4. Step 4: Simplify right side
    1,158,691.20x = 1,434,122,645,437.44
  5. Step 5: Solve for x
    x = 1,434,122,645,437.44/1,158,691.20
  6. Step 6: Final answer
    x = 1,237,709.10

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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.