Home / 1,274,903.20-1,912,356.08-328,276

Finding the Fourth Proportional to 1,274,903.20, 1,912,356.08 and 328,276

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Solution

The fourth proportional to 1,274,903.20, 1,912,356.08 and 328,276 is: 492,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,903.20 : 1,912,356.08 = 328,276 : x
  2. Step 2: Convert to fraction form
    1,274,903.20/1,912,356.08 = 328,276/x
  3. Step 3: Cross multiply
    1,274,903.20x = 1,912,356.08 × 328,276
  4. Step 4: Simplify right side
    1,274,903.20x = 627,780,604,518.08
  5. Step 5: Solve for x
    x = 627,780,604,518.08/1,274,903.20
  6. Step 6: Final answer
    x = 492,414.33

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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.