Home / 1,103,934.90-1,655,902.35-726,021.30

Finding the Fourth Proportional to 1,103,934.90, 1,655,902.35 and 726,021.30

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Solution

The fourth proportional to 1,103,934.90, 1,655,902.35 and 726,021.30 is: 1,089,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,934.90 : 1,655,902.35 = 726,021.30 : x
  2. Step 2: Convert to fraction form
    1,103,934.90/1,655,902.35 = 726,021.30/x
  3. Step 3: Cross multiply
    1,103,934.90x = 1,655,902.35 × 726,021.30
  4. Step 4: Simplify right side
    1,103,934.90x = 1,202,220,376,820.06
  5. Step 5: Solve for x
    x = 1,202,220,376,820.06/1,103,934.90
  6. Step 6: Final answer
    x = 1,089,031.95

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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.