Home / 1,326,848.80-1,990,273.20-329,576.80

Finding the Fourth Proportional to 1,326,848.80, 1,990,273.20 and 329,576.80

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Solution

The fourth proportional to 1,326,848.80, 1,990,273.20 and 329,576.80 is: 494,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,848.80 : 1,990,273.20 = 329,576.80 : x
  2. Step 2: Convert to fraction form
    1,326,848.80/1,990,273.20 = 329,576.80/x
  3. Step 3: Cross multiply
    1,326,848.80x = 1,990,273.20 × 329,576.80
  4. Step 4: Simplify right side
    1,326,848.80x = 655,947,872,381.76
  5. Step 5: Solve for x
    x = 655,947,872,381.76/1,326,848.80
  6. Step 6: Final answer
    x = 494,365.20

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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.