Home / 1,256,945.73-1,885,422.45-310,316.55

Finding the Fourth Proportional to 1,256,945.73, 1,885,422.45 and 310,316.55

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Solution

The fourth proportional to 1,256,945.73, 1,885,422.45 and 310,316.55 is: 465,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,945.73 : 1,885,422.45 = 310,316.55 : x
  2. Step 2: Convert to fraction form
    1,256,945.73/1,885,422.45 = 310,316.55/x
  3. Step 3: Cross multiply
    1,256,945.73x = 1,885,422.45 × 310,316.55
  4. Step 4: Simplify right side
    1,256,945.73x = 585,077,789,976.55
  5. Step 5: Solve for x
    x = 585,077,789,976.55/1,256,945.73
  6. Step 6: Final answer
    x = 465,475.78

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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.