Home / 1,274,510.90-1,758,619.15-730,546.70

Finding the Fourth Proportional to 1,274,510.90, 1,758,619.15 and 730,546.70

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Solution

The fourth proportional to 1,274,510.90, 1,758,619.15 and 730,546.70 is: 1,008,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,510.90 : 1,758,619.15 = 730,546.70 : x
  2. Step 2: Convert to fraction form
    1,274,510.90/1,758,619.15 = 730,546.70/x
  3. Step 3: Cross multiply
    1,274,510.90x = 1,758,619.15 × 730,546.70
  4. Step 4: Simplify right side
    1,274,510.90x = 1,284,753,405,969.84
  5. Step 5: Solve for x
    x = 1,284,753,405,969.84/1,274,510.90
  6. Step 6: Final answer
    x = 1,008,036.42

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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.