Home / 1,274,061.96-1,758,278.10-730,288.20

Finding the Fourth Proportional to 1,274,061.96, 1,758,278.10 and 730,288.20

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Solution

The fourth proportional to 1,274,061.96, 1,758,278.10 and 730,288.20 is: 1,007,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,061.96 : 1,758,278.10 = 730,288.20 : x
  2. Step 2: Convert to fraction form
    1,274,061.96/1,758,278.10 = 730,288.20/x
  3. Step 3: Cross multiply
    1,274,061.96x = 1,758,278.10 × 730,288.20
  4. Step 4: Simplify right side
    1,274,061.96x = 1,284,049,748,748.42
  5. Step 5: Solve for x
    x = 1,284,049,748,748.42/1,274,061.96
  6. Step 6: Final answer
    x = 1,007,839.33

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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.