Home / 1,231,810.56-1,701,072.48-1,164,720.72

Finding the Fourth Proportional to 1,231,810.56, 1,701,072.48 and 1,164,720.72

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Solution

The fourth proportional to 1,231,810.56, 1,701,072.48 and 1,164,720.72 is: 1,608,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,810.56 : 1,701,072.48 = 1,164,720.72 : x
  2. Step 2: Convert to fraction form
    1,231,810.56/1,701,072.48 = 1,164,720.72/x
  3. Step 3: Cross multiply
    1,231,810.56x = 1,701,072.48 × 1,164,720.72
  4. Step 4: Simplify right side
    1,231,810.56x = 1,981,274,363,677.79
  5. Step 5: Solve for x
    x = 1,981,274,363,677.79/1,231,810.56
  6. Step 6: Final answer
    x = 1,608,424.56

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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.