Home / 1,345,744.28-1,857,271.14-822,761.76

Finding the Fourth Proportional to 1,345,744.28, 1,857,271.14 and 822,761.76

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Solution

The fourth proportional to 1,345,744.28, 1,857,271.14 and 822,761.76 is: 1,135,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,744.28 : 1,857,271.14 = 822,761.76 : x
  2. Step 2: Convert to fraction form
    1,345,744.28/1,857,271.14 = 822,761.76/x
  3. Step 3: Cross multiply
    1,345,744.28x = 1,857,271.14 × 822,761.76
  4. Step 4: Simplify right side
    1,345,744.28x = 1,528,091,671,943.61
  5. Step 5: Solve for x
    x = 1,528,091,671,943.61/1,345,744.28
  6. Step 6: Final answer
    x = 1,135,499.29

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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.