Home / 1,010,665.90-1,515,998.85-479,224.90

Finding the Fourth Proportional to 1,010,665.90, 1,515,998.85 and 479,224.90

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Solution

The fourth proportional to 1,010,665.90, 1,515,998.85 and 479,224.90 is: 718,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,665.90 : 1,515,998.85 = 479,224.90 : x
  2. Step 2: Convert to fraction form
    1,010,665.90/1,515,998.85 = 479,224.90/x
  3. Step 3: Cross multiply
    1,010,665.90x = 1,515,998.85 × 479,224.90
  4. Step 4: Simplify right side
    1,010,665.90x = 726,504,397,291.37
  5. Step 5: Solve for x
    x = 726,504,397,291.37/1,010,665.90
  6. Step 6: Final answer
    x = 718,837.35

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Double scale
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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.