Home / 1,149,130.42-1,722,498.25-642,949.27

Finding the Fourth Proportional to 1,149,130.42, 1,722,498.25 and 642,949.27

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Solution

The fourth proportional to 1,149,130.42, 1,722,498.25 and 642,949.27 is: 963,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,130.42 : 1,722,498.25 = 642,949.27 : x
  2. Step 2: Convert to fraction form
    1,149,130.42/1,722,498.25 = 642,949.27/x
  3. Step 3: Cross multiply
    1,149,130.42x = 1,722,498.25 × 642,949.27
  4. Step 4: Simplify right side
    1,149,130.42x = 1,107,478,994,165.06
  5. Step 5: Solve for x
    x = 1,107,478,994,165.06/1,149,130.42
  6. Step 6: Final answer
    x = 963,753.96

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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.