Home / 1,343,028.39-2,013,276.15-668,472

Finding the Fourth Proportional to 1,343,028.39, 2,013,276.15 and 668,472

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Solution

The fourth proportional to 1,343,028.39, 2,013,276.15 and 668,472 is: 1,002,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,028.39 : 2,013,276.15 = 668,472 : x
  2. Step 2: Convert to fraction form
    1,343,028.39/2,013,276.15 = 668,472/x
  3. Step 3: Cross multiply
    1,343,028.39x = 2,013,276.15 × 668,472
  4. Step 4: Simplify right side
    1,343,028.39x = 1,345,818,734,542.80
  5. Step 5: Solve for x
    x = 1,345,818,734,542.80/1,343,028.39
  6. Step 6: Final answer
    x = 1,002,077.65

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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.