Home / 965,115.20-1,447,672.80-725,614.40

Finding the Fourth Proportional to 965,115.20, 1,447,672.80 and 725,614.40

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Solution

The fourth proportional to 965,115.20, 1,447,672.80 and 725,614.40 is: 1,088,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,115.20 : 1,447,672.80 = 725,614.40 : x
  2. Step 2: Convert to fraction form
    965,115.20/1,447,672.80 = 725,614.40/x
  3. Step 3: Cross multiply
    965,115.20x = 1,447,672.80 × 725,614.40
  4. Step 4: Simplify right side
    965,115.20x = 1,050,452,230,168.32
  5. Step 5: Solve for x
    x = 1,050,452,230,168.32/965,115.20
  6. Step 6: Final answer
    x = 1,088,421.60

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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.