Home / 1,214,515.12-1,819,778.66-415,360.66

Finding the Fourth Proportional to 1,214,515.12, 1,819,778.66 and 415,360.66

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Solution

The fourth proportional to 1,214,515.12, 1,819,778.66 and 415,360.66 is: 622,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,515.12 : 1,819,778.66 = 415,360.66 : x
  2. Step 2: Convert to fraction form
    1,214,515.12/1,819,778.66 = 415,360.66/x
  3. Step 3: Cross multiply
    1,214,515.12x = 1,819,778.66 × 415,360.66
  4. Step 4: Simplify right side
    1,214,515.12x = 755,864,465,271.52
  5. Step 5: Solve for x
    x = 755,864,465,271.52/1,214,515.12
  6. Step 6: Final answer
    x = 622,359.04

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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.