Home / 1,333,382.47-1,840,053.81-721,521.88

Finding the Fourth Proportional to 1,333,382.47, 1,840,053.81 and 721,521.88

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Solution

The fourth proportional to 1,333,382.47, 1,840,053.81 and 721,521.88 is: 995,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,382.47 : 1,840,053.81 = 721,521.88 : x
  2. Step 2: Convert to fraction form
    1,333,382.47/1,840,053.81 = 721,521.88/x
  3. Step 3: Cross multiply
    1,333,382.47x = 1,840,053.81 × 721,521.88
  4. Step 4: Simplify right side
    1,333,382.47x = 1,327,639,084,292.36
  5. Step 5: Solve for x
    x = 1,327,639,084,292.36/1,333,382.47
  6. Step 6: Final answer
    x = 995,692.62

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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.