Home / 1,580,471.43-2,181,057.53-855,319.25

Finding the Fourth Proportional to 1,580,471.43, 2,181,057.53 and 855,319.25

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Solution

The fourth proportional to 1,580,471.43, 2,181,057.53 and 855,319.25 is: 1,180,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,471.43 : 2,181,057.53 = 855,319.25 : x
  2. Step 2: Convert to fraction form
    1,580,471.43/2,181,057.53 = 855,319.25/x
  3. Step 3: Cross multiply
    1,580,471.43x = 2,181,057.53 × 855,319.25
  4. Step 4: Simplify right side
    1,580,471.43x = 1,865,500,475,584.57
  5. Step 5: Solve for x
    x = 1,865,500,475,584.57/1,580,471.43
  6. Step 6: Final answer
    x = 1,180,344.32

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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.