Home / 1,422,522.84-2,135,451.24-1,123,205.16

Finding the Fourth Proportional to 1,422,522.84, 2,135,451.24 and 1,123,205.16

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Solution

The fourth proportional to 1,422,522.84, 2,135,451.24 and 1,123,205.16 is: 1,686,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,522.84 : 2,135,451.24 = 1,123,205.16 : x
  2. Step 2: Convert to fraction form
    1,422,522.84/2,135,451.24 = 1,123,205.16/x
  3. Step 3: Cross multiply
    1,422,522.84x = 2,135,451.24 × 1,123,205.16
  4. Step 4: Simplify right side
    1,422,522.84x = 2,398,549,851,696.40
  5. Step 5: Solve for x
    x = 2,398,549,851,696.40/1,422,522.84
  6. Step 6: Final answer
    x = 1,686,123.97

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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.