Home / 1,007,757.95-1,511,627.51-408,576.68

Finding the Fourth Proportional to 1,007,757.95, 1,511,627.51 and 408,576.68

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Solution

The fourth proportional to 1,007,757.95, 1,511,627.51 and 408,576.68 is: 612,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,757.95 : 1,511,627.51 = 408,576.68 : x
  2. Step 2: Convert to fraction form
    1,007,757.95/1,511,627.51 = 408,576.68/x
  3. Step 3: Cross multiply
    1,007,757.95x = 1,511,627.51 × 408,576.68
  4. Step 4: Simplify right side
    1,007,757.95x = 617,615,748,564.37
  5. Step 5: Solve for x
    x = 617,615,748,564.37/1,007,757.95
  6. Step 6: Final answer
    x = 612,861.21

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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.