Home / 1,204,041.15-1,805,420.21-405,057.15

Finding the Fourth Proportional to 1,204,041.15, 1,805,420.21 and 405,057.15

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Solution

The fourth proportional to 1,204,041.15, 1,805,420.21 and 405,057.15 is: 607,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,041.15 : 1,805,420.21 = 405,057.15 : x
  2. Step 2: Convert to fraction form
    1,204,041.15/1,805,420.21 = 405,057.15/x
  3. Step 3: Cross multiply
    1,204,041.15x = 1,805,420.21 × 405,057.15
  4. Step 4: Simplify right side
    1,204,041.15x = 731,298,362,789.72
  5. Step 5: Solve for x
    x = 731,298,362,789.72/1,204,041.15
  6. Step 6: Final answer
    x = 607,369.91

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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.