Home / 1,265,079.65-1,745,829.60-692,129.39

Finding the Fourth Proportional to 1,265,079.65, 1,745,829.60 and 692,129.39

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Solution

The fourth proportional to 1,265,079.65, 1,745,829.60 and 692,129.39 is: 955,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,079.65 : 1,745,829.60 = 692,129.39 : x
  2. Step 2: Convert to fraction form
    1,265,079.65/1,745,829.60 = 692,129.39/x
  3. Step 3: Cross multiply
    1,265,079.65x = 1,745,829.60 × 692,129.39
  4. Step 4: Simplify right side
    1,265,079.65x = 1,208,339,976,091.94
  5. Step 5: Solve for x
    x = 1,208,339,976,091.94/1,265,079.65
  6. Step 6: Final answer
    x = 955,149.33

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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.