Home / 1,225,213.40-1,837,820.10-886,665.80

Finding the Fourth Proportional to 1,225,213.40, 1,837,820.10 and 886,665.80

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Solution

The fourth proportional to 1,225,213.40, 1,837,820.10 and 886,665.80 is: 1,329,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,213.40 : 1,837,820.10 = 886,665.80 : x
  2. Step 2: Convert to fraction form
    1,225,213.40/1,837,820.10 = 886,665.80/x
  3. Step 3: Cross multiply
    1,225,213.40x = 1,837,820.10 × 886,665.80
  4. Step 4: Simplify right side
    1,225,213.40x = 1,629,532,229,222.58
  5. Step 5: Solve for x
    x = 1,629,532,229,222.58/1,225,213.40
  6. Step 6: Final answer
    x = 1,329,998.70

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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.