Home / 1,310,716.71-1,966,839.30-552,511.76

Finding the Fourth Proportional to 1,310,716.71, 1,966,839.30 and 552,511.76

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Solution

The fourth proportional to 1,310,716.71, 1,966,839.30 and 552,511.76 is: 829,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,716.71 : 1,966,839.30 = 552,511.76 : x
  2. Step 2: Convert to fraction form
    1,310,716.71/1,966,839.30 = 552,511.76/x
  3. Step 3: Cross multiply
    1,310,716.71x = 1,966,839.30 × 552,511.76
  4. Step 4: Simplify right side
    1,310,716.71x = 1,086,701,833,445.97
  5. Step 5: Solve for x
    x = 1,086,701,833,445.97/1,310,716.71
  6. Step 6: Final answer
    x = 829,089.78

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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.