Home / 1,399,930.86-2,100,202.50-453,397.26

Finding the Fourth Proportional to 1,399,930.86, 2,100,202.50 and 453,397.26

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Solution

The fourth proportional to 1,399,930.86, 2,100,202.50 and 453,397.26 is: 680,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,930.86 : 2,100,202.50 = 453,397.26 : x
  2. Step 2: Convert to fraction form
    1,399,930.86/2,100,202.50 = 453,397.26/x
  3. Step 3: Cross multiply
    1,399,930.86x = 2,100,202.50 × 453,397.26
  4. Step 4: Simplify right side
    1,399,930.86x = 952,226,058,945.15
  5. Step 5: Solve for x
    x = 952,226,058,945.15/1,399,930.86
  6. Step 6: Final answer
    x = 680,195.06

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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.