Home / 1,281,765.25-1,767,227.79-822,068.38

Finding the Fourth Proportional to 1,281,765.25, 1,767,227.79 and 822,068.38

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Solution

The fourth proportional to 1,281,765.25, 1,767,227.79 and 822,068.38 is: 1,133,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,765.25 : 1,767,227.79 = 822,068.38 : x
  2. Step 2: Convert to fraction form
    1,281,765.25/1,767,227.79 = 822,068.38/x
  3. Step 3: Cross multiply
    1,281,765.25x = 1,767,227.79 × 822,068.38
  4. Step 4: Simplify right side
    1,281,765.25x = 1,452,782,086,416.28
  5. Step 5: Solve for x
    x = 1,452,782,086,416.28/1,281,765.25
  6. Step 6: Final answer
    x = 1,133,422.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.