Home / 1,255,133.49-1,732,078.11-682,173.71

Finding the Fourth Proportional to 1,255,133.49, 1,732,078.11 and 682,173.71

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Solution

The fourth proportional to 1,255,133.49, 1,732,078.11 and 682,173.71 is: 941,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,133.49 : 1,732,078.11 = 682,173.71 : x
  2. Step 2: Convert to fraction form
    1,255,133.49/1,732,078.11 = 682,173.71/x
  3. Step 3: Cross multiply
    1,255,133.49x = 1,732,078.11 × 682,173.71
  4. Step 4: Simplify right side
    1,255,133.49x = 1,181,578,154,638.68
  5. Step 5: Solve for x
    x = 1,181,578,154,638.68/1,255,133.49
  6. Step 6: Final answer
    x = 941,396.40

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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.