Home / 1,142,998.07-1,711,133.77-762,976.20

Finding the Fourth Proportional to 1,142,998.07, 1,711,133.77 and 762,976.20

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Solution

The fourth proportional to 1,142,998.07, 1,711,133.77 and 762,976.20 is: 1,142,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,998.07 : 1,711,133.77 = 762,976.20 : x
  2. Step 2: Convert to fraction form
    1,142,998.07/1,711,133.77 = 762,976.20/x
  3. Step 3: Cross multiply
    1,142,998.07x = 1,711,133.77 × 762,976.20
  4. Step 4: Simplify right side
    1,142,998.07x = 1,305,554,341,526.27
  5. Step 5: Solve for x
    x = 1,305,554,341,526.27/1,142,998.07
  6. Step 6: Final answer
    x = 1,142,219.21

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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.