Home / 1,465,079.35-2,021,713.27-820,351.75

Finding the Fourth Proportional to 1,465,079.35, 2,021,713.27 and 820,351.75

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Solution

The fourth proportional to 1,465,079.35, 2,021,713.27 and 820,351.75 is: 1,132,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,079.35 : 2,021,713.27 = 820,351.75 : x
  2. Step 2: Convert to fraction form
    1,465,079.35/2,021,713.27 = 820,351.75/x
  3. Step 3: Cross multiply
    1,465,079.35x = 2,021,713.27 × 820,351.75
  4. Step 4: Simplify right side
    1,465,079.35x = 1,658,516,019,042.72
  5. Step 5: Solve for x
    x = 1,658,516,019,042.72/1,465,079.35
  6. Step 6: Final answer
    x = 1,132,031.53

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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.