Home / 1,053,119.70-1,579,679.55-422,486.10

Finding the Fourth Proportional to 1,053,119.70, 1,579,679.55 and 422,486.10

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Solution

The fourth proportional to 1,053,119.70, 1,579,679.55 and 422,486.10 is: 633,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,119.70 : 1,579,679.55 = 422,486.10 : x
  2. Step 2: Convert to fraction form
    1,053,119.70/1,579,679.55 = 422,486.10/x
  3. Step 3: Cross multiply
    1,053,119.70x = 1,579,679.55 × 422,486.10
  4. Step 4: Simplify right side
    1,053,119.70x = 667,392,652,329.26
  5. Step 5: Solve for x
    x = 667,392,652,329.26/1,053,119.70
  6. Step 6: Final answer
    x = 633,729.15

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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.