Home / 1,010,239.20-1,513,515.60-822,232.80

Finding the Fourth Proportional to 1,010,239.20, 1,513,515.60 and 822,232.80

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Solution

The fourth proportional to 1,010,239.20, 1,513,515.60 and 822,232.80 is: 1,231,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,239.20 : 1,513,515.60 = 822,232.80 : x
  2. Step 2: Convert to fraction form
    1,010,239.20/1,513,515.60 = 822,232.80/x
  3. Step 3: Cross multiply
    1,010,239.20x = 1,513,515.60 × 822,232.80
  4. Step 4: Simplify right side
    1,010,239.20x = 1,244,462,169,631.68
  5. Step 5: Solve for x
    x = 1,244,462,169,631.68/1,010,239.20
  6. Step 6: Final answer
    x = 1,231,849.02

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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.