Home / 1,127,070.28-1,555,516.56-697,489.12

Finding the Fourth Proportional to 1,127,070.28, 1,555,516.56 and 697,489.12

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Solution

The fourth proportional to 1,127,070.28, 1,555,516.56 and 697,489.12 is: 962,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,070.28 : 1,555,516.56 = 697,489.12 : x
  2. Step 2: Convert to fraction form
    1,127,070.28/1,555,516.56 = 697,489.12/x
  3. Step 3: Cross multiply
    1,127,070.28x = 1,555,516.56 × 697,489.12
  4. Step 4: Simplify right side
    1,127,070.28x = 1,084,955,876,579.83
  5. Step 5: Solve for x
    x = 1,084,955,876,579.83/1,127,070.28
  6. Step 6: Final answer
    x = 962,633.74

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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.