Home / 1,434,022.80-2,151,093.56-423,144.75

Finding the Fourth Proportional to 1,434,022.80, 2,151,093.56 and 423,144.75

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Solution

The fourth proportional to 1,434,022.80, 2,151,093.56 and 423,144.75 is: 634,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,022.80 : 2,151,093.56 = 423,144.75 : x
  2. Step 2: Convert to fraction form
    1,434,022.80/2,151,093.56 = 423,144.75/x
  3. Step 3: Cross multiply
    1,434,022.80x = 2,151,093.56 × 423,144.75
  4. Step 4: Simplify right side
    1,434,022.80x = 910,223,944,557.09
  5. Step 5: Solve for x
    x = 910,223,944,557.09/1,434,022.80
  6. Step 6: Final answer
    x = 634,734.64

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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.