Home / 1,306,728-1,797,685.92-1,250,740.80

Finding the Fourth Proportional to 1,306,728, 1,797,685.92 and 1,250,740.80

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Solution

The fourth proportional to 1,306,728, 1,797,685.92 and 1,250,740.80 is: 1,720,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,728 : 1,797,685.92 = 1,250,740.80 : x
  2. Step 2: Convert to fraction form
    1,306,728/1,797,685.92 = 1,250,740.80/x
  3. Step 3: Cross multiply
    1,306,728x = 1,797,685.92 × 1,250,740.80
  4. Step 4: Simplify right side
    1,306,728x = 2,248,439,125,729.54
  5. Step 5: Solve for x
    x = 2,248,439,125,729.54/1,306,728
  6. Step 6: Final answer
    x = 1,720,663.46

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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.