Home / 1,275,982.89-1,760,840.13-695,230.20

Finding the Fourth Proportional to 1,275,982.89, 1,760,840.13 and 695,230.20

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Solution

The fourth proportional to 1,275,982.89, 1,760,840.13 and 695,230.20 is: 959,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,982.89 : 1,760,840.13 = 695,230.20 : x
  2. Step 2: Convert to fraction form
    1,275,982.89/1,760,840.13 = 695,230.20/x
  3. Step 3: Cross multiply
    1,275,982.89x = 1,760,840.13 × 695,230.20
  4. Step 4: Simplify right side
    1,275,982.89x = 1,224,189,238,355.04
  5. Step 5: Solve for x
    x = 1,224,189,238,355.04/1,275,982.89
  6. Step 6: Final answer
    x = 959,408.82

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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.