Home / 1,007,755.32-1,511,623.58-408,574.05

Finding the Fourth Proportional to 1,007,755.32, 1,511,623.58 and 408,574.05

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Solution

The fourth proportional to 1,007,755.32, 1,511,623.58 and 408,574.05 is: 612,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,755.32 : 1,511,623.58 = 408,574.05 : x
  2. Step 2: Convert to fraction form
    1,007,755.32/1,511,623.58 = 408,574.05/x
  3. Step 3: Cross multiply
    1,007,755.32x = 1,511,623.58 × 408,574.05
  4. Step 4: Simplify right side
    1,007,755.32x = 617,610,160,597.98
  5. Step 5: Solve for x
    x = 617,610,160,597.98/1,007,755.32
  6. Step 6: Final answer
    x = 612,857.26

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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.