Home / 1,272,469.86-1,756,042.02-691,732.08

Finding the Fourth Proportional to 1,272,469.86, 1,756,042.02 and 691,732.08

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Solution

The fourth proportional to 1,272,469.86, 1,756,042.02 and 691,732.08 is: 954,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,469.86 : 1,756,042.02 = 691,732.08 : x
  2. Step 2: Convert to fraction form
    1,272,469.86/1,756,042.02 = 691,732.08/x
  3. Step 3: Cross multiply
    1,272,469.86x = 1,756,042.02 × 691,732.08
  4. Step 4: Simplify right side
    1,272,469.86x = 1,214,710,599,062.00
  5. Step 5: Solve for x
    x = 1,214,710,599,062.00/1,272,469.86
  6. Step 6: Final answer
    x = 954,608.54

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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.