Home / 1,486,463.25-2,229,806.39-421,591.08

Finding the Fourth Proportional to 1,486,463.25, 2,229,806.39 and 421,591.08

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Solution

The fourth proportional to 1,486,463.25, 2,229,806.39 and 421,591.08 is: 632,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,463.25 : 2,229,806.39 = 421,591.08 : x
  2. Step 2: Convert to fraction form
    1,486,463.25/2,229,806.39 = 421,591.08/x
  3. Step 3: Cross multiply
    1,486,463.25x = 2,229,806.39 × 421,591.08
  4. Step 4: Simplify right side
    1,486,463.25x = 940,066,482,043.05
  5. Step 5: Solve for x
    x = 940,066,482,043.05/1,486,463.25
  6. Step 6: Final answer
    x = 632,418.25

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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.