Home / 1,341,445.08-1,851,185.43-760,778.76

Finding the Fourth Proportional to 1,341,445.08, 1,851,185.43 and 760,778.76

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Solution

The fourth proportional to 1,341,445.08, 1,851,185.43 and 760,778.76 is: 1,049,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,445.08 : 1,851,185.43 = 760,778.76 : x
  2. Step 2: Convert to fraction form
    1,341,445.08/1,851,185.43 = 760,778.76/x
  3. Step 3: Cross multiply
    1,341,445.08x = 1,851,185.43 × 760,778.76
  4. Step 4: Simplify right side
    1,341,445.08x = 1,408,342,555,965.47
  5. Step 5: Solve for x
    x = 1,408,342,555,965.47/1,341,445.08
  6. Step 6: Final answer
    x = 1,049,869.71

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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.