Home / 1,098,860.97-1,650,817.77-775,393.35

Finding the Fourth Proportional to 1,098,860.97, 1,650,817.77 and 775,393.35

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Solution

The fourth proportional to 1,098,860.97, 1,650,817.77 and 775,393.35 is: 1,164,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,860.97 : 1,650,817.77 = 775,393.35 : x
  2. Step 2: Convert to fraction form
    1,098,860.97/1,650,817.77 = 775,393.35/x
  3. Step 3: Cross multiply
    1,098,860.97x = 1,650,817.77 × 775,393.35
  4. Step 4: Simplify right side
    1,098,860.97x = 1,280,033,120,919.83
  5. Step 5: Solve for x
    x = 1,280,033,120,919.83/1,098,860.97
  6. Step 6: Final answer
    x = 1,164,872.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.