Home / 1,294,577.93-1,786,480.35-721,605.80

Finding the Fourth Proportional to 1,294,577.93, 1,786,480.35 and 721,605.80

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Solution

The fourth proportional to 1,294,577.93, 1,786,480.35 and 721,605.80 is: 995,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,577.93 : 1,786,480.35 = 721,605.80 : x
  2. Step 2: Convert to fraction form
    1,294,577.93/1,786,480.35 = 721,605.80/x
  3. Step 3: Cross multiply
    1,294,577.93x = 1,786,480.35 × 721,605.80
  4. Step 4: Simplify right side
    1,294,577.93x = 1,289,134,573,213.63
  5. Step 5: Solve for x
    x = 1,289,134,573,213.63/1,294,577.93
  6. Step 6: Final answer
    x = 995,795.27

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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.