Home / 1,172,492.76-1,618,042.98-635,948.76

Finding the Fourth Proportional to 1,172,492.76, 1,618,042.98 and 635,948.76

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Solution

The fourth proportional to 1,172,492.76, 1,618,042.98 and 635,948.76 is: 877,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,492.76 : 1,618,042.98 = 635,948.76 : x
  2. Step 2: Convert to fraction form
    1,172,492.76/1,618,042.98 = 635,948.76/x
  3. Step 3: Cross multiply
    1,172,492.76x = 1,618,042.98 × 635,948.76
  4. Step 4: Simplify right side
    1,172,492.76x = 1,028,992,426,757.70
  5. Step 5: Solve for x
    x = 1,028,992,426,757.70/1,172,492.76
  6. Step 6: Final answer
    x = 877,610.90

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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.