Home / 1,142,995.10-1,711,129.34-762,973.24

Finding the Fourth Proportional to 1,142,995.10, 1,711,129.34 and 762,973.24

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Solution

The fourth proportional to 1,142,995.10, 1,711,129.34 and 762,973.24 is: 1,142,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,995.10 : 1,711,129.34 = 762,973.24 : x
  2. Step 2: Convert to fraction form
    1,142,995.10/1,711,129.34 = 762,973.24/x
  3. Step 3: Cross multiply
    1,142,995.10x = 1,711,129.34 × 762,973.24
  4. Step 4: Simplify right side
    1,142,995.10x = 1,305,545,896,598.86
  5. Step 5: Solve for x
    x = 1,305,545,896,598.86/1,142,995.10
  6. Step 6: Final answer
    x = 1,142,214.78

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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.