Home / 1,520,140.88-2,280,998.64-1,102,861.28

Finding the Fourth Proportional to 1,520,140.88, 2,280,998.64 and 1,102,861.28

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Solution

The fourth proportional to 1,520,140.88, 2,280,998.64 and 1,102,861.28 is: 1,654,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,140.88 : 2,280,998.64 = 1,102,861.28 : x
  2. Step 2: Convert to fraction form
    1,520,140.88/2,280,998.64 = 1,102,861.28/x
  3. Step 3: Cross multiply
    1,520,140.88x = 2,280,998.64 × 1,102,861.28
  4. Step 4: Simplify right side
    1,520,140.88x = 2,515,625,079,788.66
  5. Step 5: Solve for x
    x = 2,515,625,079,788.66/1,520,140.88
  6. Step 6: Final answer
    x = 1,654,863.12

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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.