Home / 1,555,131.78-2,332,347.73-557,859.78

Finding the Fourth Proportional to 1,555,131.78, 2,332,347.73 and 557,859.78

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Solution

The fourth proportional to 1,555,131.78, 2,332,347.73 and 557,859.78 is: 836,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,131.78 : 2,332,347.73 = 557,859.78 : x
  2. Step 2: Convert to fraction form
    1,555,131.78/2,332,347.73 = 557,859.78/x
  3. Step 3: Cross multiply
    1,555,131.78x = 2,332,347.73 × 557,859.78
  4. Step 4: Simplify right side
    1,555,131.78x = 1,301,122,991,541.30
  5. Step 5: Solve for x
    x = 1,301,122,991,541.30/1,555,131.78
  6. Step 6: Final answer
    x = 836,664.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.