Home / 1,423,212-1,965,229.26-1,016,561.22

Finding the Fourth Proportional to 1,423,212, 1,965,229.26 and 1,016,561.22

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Solution

The fourth proportional to 1,423,212, 1,965,229.26 and 1,016,561.22 is: 1,403,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,212 : 1,965,229.26 = 1,016,561.22 : x
  2. Step 2: Convert to fraction form
    1,423,212/1,965,229.26 = 1,016,561.22/x
  3. Step 3: Cross multiply
    1,423,212x = 1,965,229.26 × 1,016,561.22
  4. Step 4: Simplify right side
    1,423,212x = 1,997,775,854,125.30
  5. Step 5: Solve for x
    x = 1,997,775,854,125.30/1,423,212
  6. Step 6: Final answer
    x = 1,403,709.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.