Home / 1,143,000.10-1,711,136.84-762,978.24

Finding the Fourth Proportional to 1,143,000.10, 1,711,136.84 and 762,978.24

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Solution

The fourth proportional to 1,143,000.10, 1,711,136.84 and 762,978.24 is: 1,142,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,000.10 : 1,711,136.84 = 762,978.24 : x
  2. Step 2: Convert to fraction form
    1,143,000.10/1,711,136.84 = 762,978.24/x
  3. Step 3: Cross multiply
    1,143,000.10x = 1,711,136.84 × 762,978.24
  4. Step 4: Simplify right side
    1,143,000.10x = 1,305,560,174,582.36
  5. Step 5: Solve for x
    x = 1,305,560,174,582.36/1,143,000.10
  6. Step 6: Final answer
    x = 1,142,222.28

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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.