Home / 1,255,105.16-1,732,045.32-682,145.31

Finding the Fourth Proportional to 1,255,105.16, 1,732,045.32 and 682,145.31

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Solution

The fourth proportional to 1,255,105.16, 1,732,045.32 and 682,145.31 is: 941,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,105.16 : 1,732,045.32 = 682,145.31 : x
  2. Step 2: Convert to fraction form
    1,255,105.16/1,732,045.32 = 682,145.31/x
  3. Step 3: Cross multiply
    1,255,105.16x = 1,732,045.32 × 682,145.31
  4. Step 4: Simplify right side
    1,255,105.16x = 1,181,506,591,745.45
  5. Step 5: Solve for x
    x = 1,181,506,591,745.45/1,255,105.16
  6. Step 6: Final answer
    x = 941,360.64

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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.