Home / 971,445.20-1,456,534.20-871,912.40

Finding the Fourth Proportional to 971,445.20, 1,456,534.20 and 871,912.40

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Solution

The fourth proportional to 971,445.20, 1,456,534.20 and 871,912.40 is: 1,307,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,445.20 : 1,456,534.20 = 871,912.40 : x
  2. Step 2: Convert to fraction form
    971,445.20/1,456,534.20 = 871,912.40/x
  3. Step 3: Cross multiply
    971,445.20x = 1,456,534.20 × 871,912.40
  4. Step 4: Simplify right side
    971,445.20x = 1,269,970,230,004.08
  5. Step 5: Solve for x
    x = 1,269,970,230,004.08/971,445.20
  6. Step 6: Final answer
    x = 1,307,299.92

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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.