Home / 1,372,147.16-1,893,561.22-760,339.55

Finding the Fourth Proportional to 1,372,147.16, 1,893,561.22 and 760,339.55

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Solution

The fourth proportional to 1,372,147.16, 1,893,561.22 and 760,339.55 is: 1,049,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,147.16 : 1,893,561.22 = 760,339.55 : x
  2. Step 2: Convert to fraction form
    1,372,147.16/1,893,561.22 = 760,339.55/x
  3. Step 3: Cross multiply
    1,372,147.16x = 1,893,561.22 × 760,339.55
  4. Step 4: Simplify right side
    1,372,147.16x = 1,439,749,488,745.31
  5. Step 5: Solve for x
    x = 1,439,749,488,745.31/1,372,147.16
  6. Step 6: Final answer
    x = 1,049,267.55

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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.