Home / 1,755,221.40-2,632,832.10-810,437.40

Finding the Fourth Proportional to 1,755,221.40, 2,632,832.10 and 810,437.40

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Solution

The fourth proportional to 1,755,221.40, 2,632,832.10 and 810,437.40 is: 1,215,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,221.40 : 2,632,832.10 = 810,437.40 : x
  2. Step 2: Convert to fraction form
    1,755,221.40/2,632,832.10 = 810,437.40/x
  3. Step 3: Cross multiply
    1,755,221.40x = 2,632,832.10 × 810,437.40
  4. Step 4: Simplify right side
    1,755,221.40x = 2,133,745,601,760.54
  5. Step 5: Solve for x
    x = 2,133,745,601,760.54/1,755,221.40
  6. Step 6: Final answer
    x = 1,215,656.10

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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.