Home / 1,007,487.93-1,511,228.46-408,447.69

Finding the Fourth Proportional to 1,007,487.93, 1,511,228.46 and 408,447.69

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Solution

The fourth proportional to 1,007,487.93, 1,511,228.46 and 408,447.69 is: 612,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,487.93 : 1,511,228.46 = 408,447.69 : x
  2. Step 2: Convert to fraction form
    1,007,487.93/1,511,228.46 = 408,447.69/x
  3. Step 3: Cross multiply
    1,007,487.93x = 1,511,228.46 × 408,447.69
  4. Step 4: Simplify right side
    1,007,487.93x = 617,257,773,549.26
  5. Step 5: Solve for x
    x = 617,257,773,549.26/1,007,487.93
  6. Step 6: Final answer
    x = 612,670.14

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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.