Home / 1,007,758.57-1,511,628.45-408,577.30

Finding the Fourth Proportional to 1,007,758.57, 1,511,628.45 and 408,577.30

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Solution

The fourth proportional to 1,007,758.57, 1,511,628.45 and 408,577.30 is: 612,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,758.57 : 1,511,628.45 = 408,577.30 : x
  2. Step 2: Convert to fraction form
    1,007,758.57/1,511,628.45 = 408,577.30/x
  3. Step 3: Cross multiply
    1,007,758.57x = 1,511,628.45 × 408,577.30
  4. Step 4: Simplify right side
    1,007,758.57x = 617,617,070,704.19
  5. Step 5: Solve for x
    x = 617,617,070,704.19/1,007,758.57
  6. Step 6: Final answer
    x = 612,862.14

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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.