Home / 1,267,228.52-1,900,684.20-414,228.78

Finding the Fourth Proportional to 1,267,228.52, 1,900,684.20 and 414,228.78

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Solution

The fourth proportional to 1,267,228.52, 1,900,684.20 and 414,228.78 is: 621,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,228.52 : 1,900,684.20 = 414,228.78 : x
  2. Step 2: Convert to fraction form
    1,267,228.52/1,900,684.20 = 414,228.78/x
  3. Step 3: Cross multiply
    1,267,228.52x = 1,900,684.20 × 414,228.78
  4. Step 4: Simplify right side
    1,267,228.52x = 787,318,097,331.28
  5. Step 5: Solve for x
    x = 787,318,097,331.28/1,267,228.52
  6. Step 6: Final answer
    x = 621,291.33

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Double scale
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1.5x scale

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.