Home / 1,345,740.29-1,857,265.61-822,757.76

Finding the Fourth Proportional to 1,345,740.29, 1,857,265.61 and 822,757.76

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Solution

The fourth proportional to 1,345,740.29, 1,857,265.61 and 822,757.76 is: 1,135,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,740.29 : 1,857,265.61 = 822,757.76 : x
  2. Step 2: Convert to fraction form
    1,345,740.29/1,857,265.61 = 822,757.76/x
  3. Step 3: Cross multiply
    1,345,740.29x = 1,857,265.61 × 822,757.76
  4. Step 4: Simplify right side
    1,345,740.29x = 1,528,079,693,008.63
  5. Step 5: Solve for x
    x = 1,528,079,693,008.63/1,345,740.29
  6. Step 6: Final answer
    x = 1,135,493.75

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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.