Home / 1,246,732.75-1,720,491.60-710,188.75

Finding the Fourth Proportional to 1,246,732.75, 1,720,491.60 and 710,188.75

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Solution

The fourth proportional to 1,246,732.75, 1,720,491.60 and 710,188.75 is: 980,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,732.75 : 1,720,491.60 = 710,188.75 : x
  2. Step 2: Convert to fraction form
    1,246,732.75/1,720,491.60 = 710,188.75/x
  3. Step 3: Cross multiply
    1,246,732.75x = 1,720,491.60 × 710,188.75
  4. Step 4: Simplify right side
    1,246,732.75x = 1,221,873,778,789.50
  5. Step 5: Solve for x
    x = 1,221,873,778,789.50/1,246,732.75
  6. Step 6: Final answer
    x = 980,060.71

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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.