Home / 1,110,382.56-1,534,910.40-990,709.92

Finding the Fourth Proportional to 1,110,382.56, 1,534,910.40 and 990,709.92

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Solution

The fourth proportional to 1,110,382.56, 1,534,910.40 and 990,709.92 is: 1,369,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,382.56 : 1,534,910.40 = 990,709.92 : x
  2. Step 2: Convert to fraction form
    1,110,382.56/1,534,910.40 = 990,709.92/x
  3. Step 3: Cross multiply
    1,110,382.56x = 1,534,910.40 × 990,709.92
  4. Step 4: Simplify right side
    1,110,382.56x = 1,520,650,959,591.17
  5. Step 5: Solve for x
    x = 1,520,650,959,591.17/1,110,382.56
  6. Step 6: Final answer
    x = 1,369,483.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.