Home / 1,580,463.26-2,181,039.50-855,311.16

Finding the Fourth Proportional to 1,580,463.26, 2,181,039.50 and 855,311.16

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Solution

The fourth proportional to 1,580,463.26, 2,181,039.50 and 855,311.16 is: 1,180,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,463.26 : 2,181,039.50 = 855,311.16 : x
  2. Step 2: Convert to fraction form
    1,580,463.26/2,181,039.50 = 855,311.16/x
  3. Step 3: Cross multiply
    1,580,463.26x = 2,181,039.50 × 855,311.16
  4. Step 4: Simplify right side
    1,580,463.26x = 1,865,467,420,474.26
  5. Step 5: Solve for x
    x = 1,865,467,420,474.26/1,580,463.26
  6. Step 6: Final answer
    x = 1,180,329.51

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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.