Home / 1,327,350.40-1,991,032.80-330,078.40

Finding the Fourth Proportional to 1,327,350.40, 1,991,032.80 and 330,078.40

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Solution

The fourth proportional to 1,327,350.40, 1,991,032.80 and 330,078.40 is: 495,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,350.40 : 1,991,032.80 = 330,078.40 : x
  2. Step 2: Convert to fraction form
    1,327,350.40/1,991,032.80 = 330,078.40/x
  3. Step 3: Cross multiply
    1,327,350.40x = 1,991,032.80 × 330,078.40
  4. Step 4: Simplify right side
    1,327,350.40x = 657,196,920,971.52
  5. Step 5: Solve for x
    x = 657,196,920,971.52/1,327,350.40
  6. Step 6: Final answer
    x = 495,119.39

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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.