Home / 1,172,387.22-1,758,264.44-414,128.86

Finding the Fourth Proportional to 1,172,387.22, 1,758,264.44 and 414,128.86

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Solution

The fourth proportional to 1,172,387.22, 1,758,264.44 and 414,128.86 is: 621,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,387.22 : 1,758,264.44 = 414,128.86 : x
  2. Step 2: Convert to fraction form
    1,172,387.22/1,758,264.44 = 414,128.86/x
  3. Step 3: Cross multiply
    1,172,387.22x = 1,758,264.44 × 414,128.86
  4. Step 4: Simplify right side
    1,172,387.22x = 728,148,046,594.55
  5. Step 5: Solve for x
    x = 728,148,046,594.55/1,172,387.22
  6. Step 6: Final answer
    x = 621,081.53

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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.