Home / 1,465,115.20-2,197,672.80-986,818.30

Finding the Fourth Proportional to 1,465,115.20, 2,197,672.80 and 986,818.30

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Solution

The fourth proportional to 1,465,115.20, 2,197,672.80 and 986,818.30 is: 1,480,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,115.20 : 2,197,672.80 = 986,818.30 : x
  2. Step 2: Convert to fraction form
    1,465,115.20/2,197,672.80 = 986,818.30/x
  3. Step 3: Cross multiply
    1,465,115.20x = 2,197,672.80 × 986,818.30
  4. Step 4: Simplify right side
    1,465,115.20x = 2,168,703,736,452.24
  5. Step 5: Solve for x
    x = 2,168,703,736,452.24/1,465,115.20
  6. Step 6: Final answer
    x = 1,480,227.45

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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.