Home / 1,126,297.52-1,689,270.04-368,133.20

Finding the Fourth Proportional to 1,126,297.52, 1,689,270.04 and 368,133.20

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Solution

The fourth proportional to 1,126,297.52, 1,689,270.04 and 368,133.20 is: 552,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,297.52 : 1,689,270.04 = 368,133.20 : x
  2. Step 2: Convert to fraction form
    1,126,297.52/1,689,270.04 = 368,133.20/x
  3. Step 3: Cross multiply
    1,126,297.52x = 1,689,270.04 × 368,133.20
  4. Step 4: Simplify right side
    1,126,297.52x = 621,876,385,489.33
  5. Step 5: Solve for x
    x = 621,876,385,489.33/1,126,297.52
  6. Step 6: Final answer
    x = 552,142.20

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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.