Home / 1,204,969.15-1,807,459.90-406,257.61

Finding the Fourth Proportional to 1,204,969.15, 1,807,459.90 and 406,257.61

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Solution

The fourth proportional to 1,204,969.15, 1,807,459.90 and 406,257.61 is: 609,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,969.15 : 1,807,459.90 = 406,257.61 : x
  2. Step 2: Convert to fraction form
    1,204,969.15/1,807,459.90 = 406,257.61/x
  3. Step 3: Cross multiply
    1,204,969.15x = 1,807,459.90 × 406,257.61
  4. Step 4: Simplify right side
    1,204,969.15x = 734,294,339,284.73
  5. Step 5: Solve for x
    x = 734,294,339,284.73/1,204,969.15
  6. Step 6: Final answer
    x = 609,388.50

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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.