Home / 971,327.20-1,456,990.80-965,106.40

Finding the Fourth Proportional to 971,327.20, 1,456,990.80 and 965,106.40

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Solution

The fourth proportional to 971,327.20, 1,456,990.80 and 965,106.40 is: 1,447,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,327.20 : 1,456,990.80 = 965,106.40 : x
  2. Step 2: Convert to fraction form
    971,327.20/1,456,990.80 = 965,106.40/x
  3. Step 3: Cross multiply
    971,327.20x = 1,456,990.80 × 965,106.40
  4. Step 4: Simplify right side
    971,327.20x = 1,406,151,145,821.12
  5. Step 5: Solve for x
    x = 1,406,151,145,821.12/971,327.20
  6. Step 6: Final answer
    x = 1,447,659.60

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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.