Home / 1,255,089.45-1,732,036.86-682,129.65

Finding the Fourth Proportional to 1,255,089.45, 1,732,036.86 and 682,129.65

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Solution

The fourth proportional to 1,255,089.45, 1,732,036.86 and 682,129.65 is: 941,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,089.45 : 1,732,036.86 = 682,129.65 : x
  2. Step 2: Convert to fraction form
    1,255,089.45/1,732,036.86 = 682,129.65/x
  3. Step 3: Cross multiply
    1,255,089.45x = 1,732,036.86 × 682,129.65
  4. Step 4: Simplify right side
    1,255,089.45x = 1,181,473,697,098.90
  5. Step 5: Solve for x
    x = 1,181,473,697,098.90/1,255,089.45
  6. Step 6: Final answer
    x = 941,346.21

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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.