Home / 1,271,012.32-1,906,516.80-324,383.12

Finding the Fourth Proportional to 1,271,012.32, 1,906,516.80 and 324,383.12

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Solution

The fourth proportional to 1,271,012.32, 1,906,516.80 and 324,383.12 is: 486,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,012.32 : 1,906,516.80 = 324,383.12 : x
  2. Step 2: Convert to fraction form
    1,271,012.32/1,906,516.80 = 324,383.12/x
  3. Step 3: Cross multiply
    1,271,012.32x = 1,906,516.80 × 324,383.12
  4. Step 4: Simplify right side
    1,271,012.32x = 618,441,867,916.42
  5. Step 5: Solve for x
    x = 618,441,867,916.42/1,271,012.32
  6. Step 6: Final answer
    x = 486,574.25

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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.