Home / 1,255,088.52-1,732,022.34-682,128.69

Finding the Fourth Proportional to 1,255,088.52, 1,732,022.34 and 682,128.69

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Solution

The fourth proportional to 1,255,088.52, 1,732,022.34 and 682,128.69 is: 941,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,088.52 : 1,732,022.34 = 682,128.69 : x
  2. Step 2: Convert to fraction form
    1,255,088.52/1,732,022.34 = 682,128.69/x
  3. Step 3: Cross multiply
    1,255,088.52x = 1,732,022.34 × 682,128.69
  4. Step 4: Simplify right side
    1,255,088.52x = 1,181,462,129,834.93
  5. Step 5: Solve for x
    x = 1,181,462,129,834.93/1,255,088.52
  6. Step 6: Final answer
    x = 941,337.69

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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.