Home / 1,503,479.43-2,074,816.45-815,149.43

Finding the Fourth Proportional to 1,503,479.43, 2,074,816.45 and 815,149.43

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Solution

The fourth proportional to 1,503,479.43, 2,074,816.45 and 815,149.43 is: 1,124,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,479.43 : 2,074,816.45 = 815,149.43 : x
  2. Step 2: Convert to fraction form
    1,503,479.43/2,074,816.45 = 815,149.43/x
  3. Step 3: Cross multiply
    1,503,479.43x = 2,074,816.45 × 815,149.43
  4. Step 4: Simplify right side
    1,503,479.43x = 1,691,285,446,572.12
  5. Step 5: Solve for x
    x = 1,691,285,446,572.12/1,503,479.43
  6. Step 6: Final answer
    x = 1,124,914.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.