Home / 1,247,615.10-1,868,657.85-966,219.90

Finding the Fourth Proportional to 1,247,615.10, 1,868,657.85 and 966,219.90

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Solution

The fourth proportional to 1,247,615.10, 1,868,657.85 and 966,219.90 is: 1,447,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,615.10 : 1,868,657.85 = 966,219.90 : x
  2. Step 2: Convert to fraction form
    1,247,615.10/1,868,657.85 = 966,219.90/x
  3. Step 3: Cross multiply
    1,247,615.10x = 1,868,657.85 × 966,219.90
  4. Step 4: Simplify right side
    1,247,615.10x = 1,805,534,400,961.22
  5. Step 5: Solve for x
    x = 1,805,534,400,961.22/1,247,615.10
  6. Step 6: Final answer
    x = 1,447,188.64

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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.