Home / 1,375,198.95-1,897,679.52-763,303.62

Finding the Fourth Proportional to 1,375,198.95, 1,897,679.52 and 763,303.62

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Solution

The fourth proportional to 1,375,198.95, 1,897,679.52 and 763,303.62 is: 1,053,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,198.95 : 1,897,679.52 = 763,303.62 : x
  2. Step 2: Convert to fraction form
    1,375,198.95/1,897,679.52 = 763,303.62/x
  3. Step 3: Cross multiply
    1,375,198.95x = 1,897,679.52 × 763,303.62
  4. Step 4: Simplify right side
    1,375,198.95x = 1,448,505,647,215.86
  5. Step 5: Solve for x
    x = 1,448,505,647,215.86/1,375,198.95
  6. Step 6: Final answer
    x = 1,053,306.25

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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.