Home / 1,334,284.80-2,001,409.26-323,415.42

Finding the Fourth Proportional to 1,334,284.80, 2,001,409.26 and 323,415.42

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Solution

The fourth proportional to 1,334,284.80, 2,001,409.26 and 323,415.42 is: 485,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,284.80 : 2,001,409.26 = 323,415.42 : x
  2. Step 2: Convert to fraction form
    1,334,284.80/2,001,409.26 = 323,415.42/x
  3. Step 3: Cross multiply
    1,334,284.80x = 2,001,409.26 × 323,415.42
  4. Step 4: Simplify right side
    1,334,284.80x = 647,286,616,414.79
  5. Step 5: Solve for x
    x = 647,286,616,414.79/1,334,284.80
  6. Step 6: Final answer
    x = 485,118.78

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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.