Home / 1,326,966.40-1,990,449.60-329,694.40

Finding the Fourth Proportional to 1,326,966.40, 1,990,449.60 and 329,694.40

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Solution

The fourth proportional to 1,326,966.40, 1,990,449.60 and 329,694.40 is: 494,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,966.40 : 1,990,449.60 = 329,694.40 : x
  2. Step 2: Convert to fraction form
    1,326,966.40/1,990,449.60 = 329,694.40/x
  3. Step 3: Cross multiply
    1,326,966.40x = 1,990,449.60 × 329,694.40
  4. Step 4: Simplify right side
    1,326,966.40x = 656,240,086,602.24
  5. Step 5: Solve for x
    x = 656,240,086,602.24/1,326,966.40
  6. Step 6: Final answer
    x = 494,541.60

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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.