Home / 1,149,130.61-1,722,498.53-642,949.46

Finding the Fourth Proportional to 1,149,130.61, 1,722,498.53 and 642,949.46

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Solution

The fourth proportional to 1,149,130.61, 1,722,498.53 and 642,949.46 is: 963,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,130.61 : 1,722,498.53 = 642,949.46 : x
  2. Step 2: Convert to fraction form
    1,149,130.61/1,722,498.53 = 642,949.46/x
  3. Step 3: Cross multiply
    1,149,130.61x = 1,722,498.53 × 642,949.46
  4. Step 4: Simplify right side
    1,149,130.61x = 1,107,479,497,963.01
  5. Step 5: Solve for x
    x = 1,107,479,497,963.01/1,149,130.61
  6. Step 6: Final answer
    x = 963,754.24

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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.