Home / 1,261,047.26-1,739,790.54-970,747.61

Finding the Fourth Proportional to 1,261,047.26, 1,739,790.54 and 970,747.61

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Solution

The fourth proportional to 1,261,047.26, 1,739,790.54 and 970,747.61 is: 1,339,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,047.26 : 1,739,790.54 = 970,747.61 : x
  2. Step 2: Convert to fraction form
    1,261,047.26/1,739,790.54 = 970,747.61/x
  3. Step 3: Cross multiply
    1,261,047.26x = 1,739,790.54 × 970,747.61
  4. Step 4: Simplify right side
    1,261,047.26x = 1,688,897,499,906.66
  5. Step 5: Solve for x
    x = 1,688,897,499,906.66/1,261,047.26
  6. Step 6: Final answer
    x = 1,339,281.68

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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.