Home / 1,259,034.46-1,737,469.77-686,074.63

Finding the Fourth Proportional to 1,259,034.46, 1,737,469.77 and 686,074.63

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Solution

The fourth proportional to 1,259,034.46, 1,737,469.77 and 686,074.63 is: 946,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,034.46 : 1,737,469.77 = 686,074.63 : x
  2. Step 2: Convert to fraction form
    1,259,034.46/1,737,469.77 = 686,074.63/x
  3. Step 3: Cross multiply
    1,259,034.46x = 1,737,469.77 × 686,074.63
  4. Step 4: Simplify right side
    1,259,034.46x = 1,192,033,929,588.94
  5. Step 5: Solve for x
    x = 1,192,033,929,588.94/1,259,034.46
  6. Step 6: Final answer
    x = 946,784.20

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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.