Home / 1,010,658.20-1,515,987.30-412,048.97

Finding the Fourth Proportional to 1,010,658.20, 1,515,987.30 and 412,048.97

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Solution

The fourth proportional to 1,010,658.20, 1,515,987.30 and 412,048.97 is: 618,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,658.20 : 1,515,987.30 = 412,048.97 : x
  2. Step 2: Convert to fraction form
    1,010,658.20/1,515,987.30 = 412,048.97/x
  3. Step 3: Cross multiply
    1,010,658.20x = 1,515,987.30 × 412,048.97
  4. Step 4: Simplify right side
    1,010,658.20x = 624,660,997,918.15
  5. Step 5: Solve for x
    x = 624,660,997,918.15/1,010,658.20
  6. Step 6: Final answer
    x = 618,073.45

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Double scale
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Similar ratio
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1.5x scale

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.