Home / 1,283,578.38-1,771,270.65-702,690.12

Finding the Fourth Proportional to 1,283,578.38, 1,771,270.65 and 702,690.12

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Solution

The fourth proportional to 1,283,578.38, 1,771,270.65 and 702,690.12 is: 969,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,578.38 : 1,771,270.65 = 702,690.12 : x
  2. Step 2: Convert to fraction form
    1,283,578.38/1,771,270.65 = 702,690.12/x
  3. Step 3: Cross multiply
    1,283,578.38x = 1,771,270.65 × 702,690.12
  4. Step 4: Simplify right side
    1,283,578.38x = 1,244,654,385,600.98
  5. Step 5: Solve for x
    x = 1,244,654,385,600.98/1,283,578.38
  6. Step 6: Final answer
    x = 969,675.41

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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.