Home / 1,581,054.86-2,181,855.24-855,902.04

Finding the Fourth Proportional to 1,581,054.86, 2,181,855.24 and 855,902.04

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Solution

The fourth proportional to 1,581,054.86, 2,181,855.24 and 855,902.04 is: 1,181,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,054.86 : 2,181,855.24 = 855,902.04 : x
  2. Step 2: Convert to fraction form
    1,581,054.86/2,181,855.24 = 855,902.04/x
  3. Step 3: Cross multiply
    1,581,054.86x = 2,181,855.24 × 855,902.04
  4. Step 4: Simplify right side
    1,581,054.86x = 1,867,454,350,900.69
  5. Step 5: Solve for x
    x = 1,867,454,350,900.69/1,581,054.86
  6. Step 6: Final answer
    x = 1,181,144.57

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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.