Home / 1,515,215.10-2,275,447.05-806,627.10

Finding the Fourth Proportional to 1,515,215.10, 2,275,447.05 and 806,627.10

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Solution

The fourth proportional to 1,515,215.10, 2,275,447.05 and 806,627.10 is: 1,211,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,215.10 : 2,275,447.05 = 806,627.10 : x
  2. Step 2: Convert to fraction form
    1,515,215.10/2,275,447.05 = 806,627.10/x
  3. Step 3: Cross multiply
    1,515,215.10x = 2,275,447.05 × 806,627.10
  4. Step 4: Simplify right side
    1,515,215.10x = 1,835,437,255,145.05
  5. Step 5: Solve for x
    x = 1,835,437,255,145.05/1,515,215.10
  6. Step 6: Final answer
    x = 1,211,337.75

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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.