Home / 1,138,717.62-1,571,586.57-655,272.90

Finding the Fourth Proportional to 1,138,717.62, 1,571,586.57 and 655,272.90

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Solution

The fourth proportional to 1,138,717.62, 1,571,586.57 and 655,272.90 is: 904,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,717.62 : 1,571,586.57 = 655,272.90 : x
  2. Step 2: Convert to fraction form
    1,138,717.62/1,571,586.57 = 655,272.90/x
  3. Step 3: Cross multiply
    1,138,717.62x = 1,571,586.57 × 655,272.90
  4. Step 4: Simplify right side
    1,138,717.62x = 1,029,818,089,324.95
  5. Step 5: Solve for x
    x = 1,029,818,089,324.95/1,138,717.62
  6. Step 6: Final answer
    x = 904,366.52

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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.