Home / 1,327,404.40-1,991,113.80-330,132.40

Finding the Fourth Proportional to 1,327,404.40, 1,991,113.80 and 330,132.40

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Solution

The fourth proportional to 1,327,404.40, 1,991,113.80 and 330,132.40 is: 495,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,404.40 : 1,991,113.80 = 330,132.40 : x
  2. Step 2: Convert to fraction form
    1,327,404.40/1,991,113.80 = 330,132.40/x
  3. Step 3: Cross multiply
    1,327,404.40x = 1,991,113.80 × 330,132.40
  4. Step 4: Simplify right side
    1,327,404.40x = 657,331,177,467.12
  5. Step 5: Solve for x
    x = 657,331,177,467.12/1,327,404.40
  6. Step 6: Final answer
    x = 495,200.39

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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.