Home / 1,151,135.15-1,727,900.36-847,871.73

Finding the Fourth Proportional to 1,151,135.15, 1,727,900.36 and 847,871.73

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Solution

The fourth proportional to 1,151,135.15, 1,727,900.36 and 847,871.73 is: 1,272,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,135.15 : 1,727,900.36 = 847,871.73 : x
  2. Step 2: Convert to fraction form
    1,151,135.15/1,727,900.36 = 847,871.73/x
  3. Step 3: Cross multiply
    1,151,135.15x = 1,727,900.36 × 847,871.73
  4. Step 4: Simplify right side
    1,151,135.15x = 1,465,037,867,500.82
  5. Step 5: Solve for x
    x = 1,465,037,867,500.82/1,151,135.15
  6. Step 6: Final answer
    x = 1,272,689.72

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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.