Home / 1,138,833.86-1,571,515.83-655,320.96

Finding the Fourth Proportional to 1,138,833.86, 1,571,515.83 and 655,320.96

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Solution

The fourth proportional to 1,138,833.86, 1,571,515.83 and 655,320.96 is: 904,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,833.86 : 1,571,515.83 = 655,320.96 : x
  2. Step 2: Convert to fraction form
    1,138,833.86/1,571,515.83 = 655,320.96/x
  3. Step 3: Cross multiply
    1,138,833.86x = 1,571,515.83 × 655,320.96
  4. Step 4: Simplify right side
    1,138,833.86x = 1,029,847,262,370.80
  5. Step 5: Solve for x
    x = 1,029,847,262,370.80/1,138,833.86
  6. Step 6: Final answer
    x = 904,299.83

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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.