Home / 1,543,723.75-2,130,338.78-940,111.75

Finding the Fourth Proportional to 1,543,723.75, 2,130,338.78 and 940,111.75

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Solution

The fourth proportional to 1,543,723.75, 2,130,338.78 and 940,111.75 is: 1,297,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,723.75 : 2,130,338.78 = 940,111.75 : x
  2. Step 2: Convert to fraction form
    1,543,723.75/2,130,338.78 = 940,111.75/x
  3. Step 3: Cross multiply
    1,543,723.75x = 2,130,338.78 × 940,111.75
  4. Step 4: Simplify right side
    1,543,723.75x = 2,002,756,518,558.66
  5. Step 5: Solve for x
    x = 2,002,756,518,558.66/1,543,723.75
  6. Step 6: Final answer
    x = 1,297,354.22

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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.