Home / 816,100.20-1,224,150.30-810,851.40

Finding the Fourth Proportional to 816,100.20, 1,224,150.30 and 810,851.40

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Solution

The fourth proportional to 816,100.20, 1,224,150.30 and 810,851.40 is: 1,216,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,100.20 : 1,224,150.30 = 810,851.40 : x
  2. Step 2: Convert to fraction form
    816,100.20/1,224,150.30 = 810,851.40/x
  3. Step 3: Cross multiply
    816,100.20x = 1,224,150.30 × 810,851.40
  4. Step 4: Simplify right side
    816,100.20x = 992,603,984,565.42
  5. Step 5: Solve for x
    x = 992,603,984,565.42/816,100.20
  6. Step 6: Final answer
    x = 1,216,277.10

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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.