Home / 1,555,143.78-2,332,365.72-557,871.78

Finding the Fourth Proportional to 1,555,143.78, 2,332,365.72 and 557,871.78

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Solution

The fourth proportional to 1,555,143.78, 2,332,365.72 and 557,871.78 is: 836,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,143.78 : 2,332,365.72 = 557,871.78 : x
  2. Step 2: Convert to fraction form
    1,555,143.78/2,332,365.72 = 557,871.78/x
  3. Step 3: Cross multiply
    1,555,143.78x = 2,332,365.72 × 557,871.78
  4. Step 4: Simplify right side
    1,555,143.78x = 1,301,161,015,827.38
  5. Step 5: Solve for x
    x = 1,301,161,015,827.38/1,555,143.78
  6. Step 6: Final answer
    x = 836,682.13

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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.