Home / 1,472,422.20-2,207,466.90-807,574.20

Finding the Fourth Proportional to 1,472,422.20, 2,207,466.90 and 807,574.20

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Solution

The fourth proportional to 1,472,422.20, 2,207,466.90 and 807,574.20 is: 1,210,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,422.20 : 2,207,466.90 = 807,574.20 : x
  2. Step 2: Convert to fraction form
    1,472,422.20/2,207,466.90 = 807,574.20/x
  3. Step 3: Cross multiply
    1,472,422.20x = 2,207,466.90 × 807,574.20
  4. Step 4: Simplify right side
    1,472,422.20x = 1,782,693,315,793.98
  5. Step 5: Solve for x
    x = 1,782,693,315,793.98/1,472,422.20
  6. Step 6: Final answer
    x = 1,210,721.57

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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.