Home / 1,214,005.80-1,822,391.10-715,650.60

Finding the Fourth Proportional to 1,214,005.80, 1,822,391.10 and 715,650.60

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Solution

The fourth proportional to 1,214,005.80, 1,822,391.10 and 715,650.60 is: 1,074,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,005.80 : 1,822,391.10 = 715,650.60 : x
  2. Step 2: Convert to fraction form
    1,214,005.80/1,822,391.10 = 715,650.60/x
  3. Step 3: Cross multiply
    1,214,005.80x = 1,822,391.10 × 715,650.60
  4. Step 4: Simplify right side
    1,214,005.80x = 1,304,195,284,149.66
  5. Step 5: Solve for x
    x = 1,304,195,284,149.66/1,214,005.80
  6. Step 6: Final answer
    x = 1,074,290.82

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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.