Home / 1,007,285.64-1,511,550.54-408,251.76

Finding the Fourth Proportional to 1,007,285.64, 1,511,550.54 and 408,251.76

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Solution

The fourth proportional to 1,007,285.64, 1,511,550.54 and 408,251.76 is: 612,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,285.64 : 1,511,550.54 = 408,251.76 : x
  2. Step 2: Convert to fraction form
    1,007,285.64/1,511,550.54 = 408,251.76/x
  3. Step 3: Cross multiply
    1,007,285.64x = 1,511,550.54 × 408,251.76
  4. Step 4: Simplify right side
    1,007,285.64x = 617,093,168,283.95
  5. Step 5: Solve for x
    x = 617,093,168,283.95/1,007,285.64
  6. Step 6: Final answer
    x = 612,629.77

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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.