Home / 1,330,383.20-1,995,380.40-383,655.20

Finding the Fourth Proportional to 1,330,383.20, 1,995,380.40 and 383,655.20

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Solution

The fourth proportional to 1,330,383.20, 1,995,380.40 and 383,655.20 is: 575,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,383.20 : 1,995,380.40 = 383,655.20 : x
  2. Step 2: Convert to fraction form
    1,330,383.20/1,995,380.40 = 383,655.20/x
  3. Step 3: Cross multiply
    1,330,383.20x = 1,995,380.40 × 383,655.20
  4. Step 4: Simplify right side
    1,330,383.20x = 765,538,066,438.08
  5. Step 5: Solve for x
    x = 765,538,066,438.08/1,330,383.20
  6. Step 6: Final answer
    x = 575,426.74

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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.