Home / 1,308,252.20-1,960,920.30-509,268.20

Finding the Fourth Proportional to 1,308,252.20, 1,960,920.30 and 509,268.20

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Solution

The fourth proportional to 1,308,252.20, 1,960,920.30 and 509,268.20 is: 763,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,252.20 : 1,960,920.30 = 509,268.20 : x
  2. Step 2: Convert to fraction form
    1,308,252.20/1,960,920.30 = 509,268.20/x
  3. Step 3: Cross multiply
    1,308,252.20x = 1,960,920.30 × 509,268.20
  4. Step 4: Simplify right side
    1,308,252.20x = 998,634,351,524.46
  5. Step 5: Solve for x
    x = 998,634,351,524.46/1,308,252.20
  6. Step 6: Final answer
    x = 763,334.74

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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.