Home / 1,333,275.20-1,839,905.98-721,414.47

Finding the Fourth Proportional to 1,333,275.20, 1,839,905.98 and 721,414.47

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Solution

The fourth proportional to 1,333,275.20, 1,839,905.98 and 721,414.47 is: 995,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,275.20 : 1,839,905.98 = 721,414.47 : x
  2. Step 2: Convert to fraction form
    1,333,275.20/1,839,905.98 = 721,414.47/x
  3. Step 3: Cross multiply
    1,333,275.20x = 1,839,905.98 × 721,414.47
  4. Step 4: Simplify right side
    1,333,275.20x = 1,327,334,795,607.99
  5. Step 5: Solve for x
    x = 1,327,334,795,607.99/1,333,275.20
  6. Step 6: Final answer
    x = 995,544.50

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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.