Home / 1,007,487.68-1,511,228.09-408,447.43

Finding the Fourth Proportional to 1,007,487.68, 1,511,228.09 and 408,447.43

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Solution

The fourth proportional to 1,007,487.68, 1,511,228.09 and 408,447.43 is: 612,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,487.68 : 1,511,228.09 = 408,447.43 : x
  2. Step 2: Convert to fraction form
    1,007,487.68/1,511,228.09 = 408,447.43/x
  3. Step 3: Cross multiply
    1,007,487.68x = 1,511,228.09 × 408,447.43
  4. Step 4: Simplify right side
    1,007,487.68x = 617,257,226,747.36
  5. Step 5: Solve for x
    x = 617,257,226,747.36/1,007,487.68
  6. Step 6: Final answer
    x = 612,669.75

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1.5x scale

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.