Home / 971,451.20-1,456,543.20-871,918.40

Finding the Fourth Proportional to 971,451.20, 1,456,543.20 and 871,918.40

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Solution

The fourth proportional to 971,451.20, 1,456,543.20 and 871,918.40 is: 1,307,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,451.20 : 1,456,543.20 = 871,918.40 : x
  2. Step 2: Convert to fraction form
    971,451.20/1,456,543.20 = 871,918.40/x
  3. Step 3: Cross multiply
    971,451.20x = 1,456,543.20 × 871,918.40
  4. Step 4: Simplify right side
    971,451.20x = 1,269,986,816,474.88
  5. Step 5: Solve for x
    x = 1,269,986,816,474.88/971,451.20
  6. Step 6: Final answer
    x = 1,307,308.92

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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.