Home / 1,100,879.10-1,649,350.35-931,605.30

Finding the Fourth Proportional to 1,100,879.10, 1,649,350.35 and 931,605.30

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Solution

The fourth proportional to 1,100,879.10, 1,649,350.35 and 931,605.30 is: 1,395,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,879.10 : 1,649,350.35 = 931,605.30 : x
  2. Step 2: Convert to fraction form
    1,100,879.10/1,649,350.35 = 931,605.30/x
  3. Step 3: Cross multiply
    1,100,879.10x = 1,649,350.35 × 931,605.30
  4. Step 4: Simplify right side
    1,100,879.10x = 1,536,543,527,616.86
  5. Step 5: Solve for x
    x = 1,536,543,527,616.86/1,100,879.10
  6. Step 6: Final answer
    x = 1,395,742.30

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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.