Home / 1,255,089.52-1,732,023.72-682,129.70

Finding the Fourth Proportional to 1,255,089.52, 1,732,023.72 and 682,129.70

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Solution

The fourth proportional to 1,255,089.52, 1,732,023.72 and 682,129.70 is: 941,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,089.52 : 1,732,023.72 = 682,129.70 : x
  2. Step 2: Convert to fraction form
    1,255,089.52/1,732,023.72 = 682,129.70/x
  3. Step 3: Cross multiply
    1,255,089.52x = 1,732,023.72 × 682,129.70
  4. Step 4: Simplify right side
    1,255,089.52x = 1,181,464,820,516.48
  5. Step 5: Solve for x
    x = 1,181,464,820,516.48/1,255,089.52
  6. Step 6: Final answer
    x = 941,339.09

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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.