Home / 1,208,019.22-1,667,069.85-664,210.60

Finding the Fourth Proportional to 1,208,019.22, 1,667,069.85 and 664,210.60

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Solution

The fourth proportional to 1,208,019.22, 1,667,069.85 and 664,210.60 is: 916,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,019.22 : 1,667,069.85 = 664,210.60 : x
  2. Step 2: Convert to fraction form
    1,208,019.22/1,667,069.85 = 664,210.60/x
  3. Step 3: Cross multiply
    1,208,019.22x = 1,667,069.85 × 664,210.60
  4. Step 4: Simplify right side
    1,208,019.22x = 1,107,285,465,310.41
  5. Step 5: Solve for x
    x = 1,107,285,465,310.41/1,208,019.22
  6. Step 6: Final answer
    x = 916,612.46

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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.