Home / 1,109,642.28-1,530,818.10-650,523.48

Finding the Fourth Proportional to 1,109,642.28, 1,530,818.10 and 650,523.48

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Solution

The fourth proportional to 1,109,642.28, 1,530,818.10 and 650,523.48 is: 897,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,642.28 : 1,530,818.10 = 650,523.48 : x
  2. Step 2: Convert to fraction form
    1,109,642.28/1,530,818.10 = 650,523.48/x
  3. Step 3: Cross multiply
    1,109,642.28x = 1,530,818.10 × 650,523.48
  4. Step 4: Simplify right side
    1,109,642.28x = 995,833,117,658.99
  5. Step 5: Solve for x
    x = 995,833,117,658.99/1,109,642.28
  6. Step 6: Final answer
    x = 897,436.17

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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.