Home / 1,091,236.15-1,634,059.36-910,873.12

Finding the Fourth Proportional to 1,091,236.15, 1,634,059.36 and 910,873.12

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Solution

The fourth proportional to 1,091,236.15, 1,634,059.36 and 910,873.12 is: 1,363,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,236.15 : 1,634,059.36 = 910,873.12 : x
  2. Step 2: Convert to fraction form
    1,091,236.15/1,634,059.36 = 910,873.12/x
  3. Step 3: Cross multiply
    1,091,236.15x = 1,634,059.36 × 910,873.12
  4. Step 4: Simplify right side
    1,091,236.15x = 1,488,420,747,508.40
  5. Step 5: Solve for x
    x = 1,488,420,747,508.40/1,091,236.15
  6. Step 6: Final answer
    x = 1,363,976.76

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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.