Home / 1,252,040.76-1,727,839.80-768,363.84

Finding the Fourth Proportional to 1,252,040.76, 1,727,839.80 and 768,363.84

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Solution

The fourth proportional to 1,252,040.76, 1,727,839.80 and 768,363.84 is: 1,060,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,040.76 : 1,727,839.80 = 768,363.84 : x
  2. Step 2: Convert to fraction form
    1,252,040.76/1,727,839.80 = 768,363.84/x
  3. Step 3: Cross multiply
    1,252,040.76x = 1,727,839.80 × 768,363.84
  4. Step 4: Simplify right side
    1,252,040.76x = 1,327,609,623,632.83
  5. Step 5: Solve for x
    x = 1,327,609,623,632.83/1,252,040.76
  6. Step 6: Final answer
    x = 1,060,356.55

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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.