Home / 1,204,041.90-1,805,421.33-405,057.90

Finding the Fourth Proportional to 1,204,041.90, 1,805,421.33 and 405,057.90

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Solution

The fourth proportional to 1,204,041.90, 1,805,421.33 and 405,057.90 is: 607,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,041.90 : 1,805,421.33 = 405,057.90 : x
  2. Step 2: Convert to fraction form
    1,204,041.90/1,805,421.33 = 405,057.90/x
  3. Step 3: Cross multiply
    1,204,041.90x = 1,805,421.33 × 405,057.90
  4. Step 4: Simplify right side
    1,204,041.90x = 731,300,172,545.01
  5. Step 5: Solve for x
    x = 731,300,172,545.01/1,204,041.90
  6. Step 6: Final answer
    x = 607,371.03

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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.