Home / 1,419,488.26-2,129,568.01-459,942.28

Finding the Fourth Proportional to 1,419,488.26, 2,129,568.01 and 459,942.28

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Solution

The fourth proportional to 1,419,488.26, 2,129,568.01 and 459,942.28 is: 690,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,488.26 : 2,129,568.01 = 459,942.28 : x
  2. Step 2: Convert to fraction form
    1,419,488.26/2,129,568.01 = 459,942.28/x
  3. Step 3: Cross multiply
    1,419,488.26x = 2,129,568.01 × 459,942.28
  4. Step 4: Simplify right side
    1,419,488.26x = 979,478,359,460.69
  5. Step 5: Solve for x
    x = 979,478,359,460.69/1,419,488.26
  6. Step 6: Final answer
    x = 690,022.16

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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.