Home / 1,133,998.80-1,700,998.20-815,134.20

Finding the Fourth Proportional to 1,133,998.80, 1,700,998.20 and 815,134.20

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Solution

The fourth proportional to 1,133,998.80, 1,700,998.20 and 815,134.20 is: 1,222,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,998.80 : 1,700,998.20 = 815,134.20 : x
  2. Step 2: Convert to fraction form
    1,133,998.80/1,700,998.20 = 815,134.20/x
  3. Step 3: Cross multiply
    1,133,998.80x = 1,700,998.20 × 815,134.20
  4. Step 4: Simplify right side
    1,133,998.80x = 1,386,541,806,958.44
  5. Step 5: Solve for x
    x = 1,386,541,806,958.44/1,133,998.80
  6. Step 6: Final answer
    x = 1,222,701.30

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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.