Home / 1,299,321.04-1,793,074.38-718,513.96

Finding the Fourth Proportional to 1,299,321.04, 1,793,074.38 and 718,513.96

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Solution

The fourth proportional to 1,299,321.04, 1,793,074.38 and 718,513.96 is: 991,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,321.04 : 1,793,074.38 = 718,513.96 : x
  2. Step 2: Convert to fraction form
    1,299,321.04/1,793,074.38 = 718,513.96/x
  3. Step 3: Cross multiply
    1,299,321.04x = 1,793,074.38 × 718,513.96
  4. Step 4: Simplify right side
    1,299,321.04x = 1,288,348,973,348.34
  5. Step 5: Solve for x
    x = 1,288,348,973,348.34/1,299,321.04
  6. Step 6: Final answer
    x = 991,555.54

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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.