Home / 1,007,486.43-1,511,226.22-408,446.18

Finding the Fourth Proportional to 1,007,486.43, 1,511,226.22 and 408,446.18

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Solution

The fourth proportional to 1,007,486.43, 1,511,226.22 and 408,446.18 is: 612,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,486.43 : 1,511,226.22 = 408,446.18 : x
  2. Step 2: Convert to fraction form
    1,007,486.43/1,511,226.22 = 408,446.18/x
  3. Step 3: Cross multiply
    1,007,486.43x = 1,511,226.22 × 408,446.18
  4. Step 4: Simplify right side
    1,007,486.43x = 617,254,576,674.84
  5. Step 5: Solve for x
    x = 617,254,576,674.84/1,007,486.43
  6. Step 6: Final answer
    x = 612,667.88

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Double scale
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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.