Home / 1,394,919.36-2,092,378.95-448,363.89

Finding the Fourth Proportional to 1,394,919.36, 2,092,378.95 and 448,363.89

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Solution

The fourth proportional to 1,394,919.36, 2,092,378.95 and 448,363.89 is: 672,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,919.36 : 2,092,378.95 = 448,363.89 : x
  2. Step 2: Convert to fraction form
    1,394,919.36/2,092,378.95 = 448,363.89/x
  3. Step 3: Cross multiply
    1,394,919.36x = 2,092,378.95 × 448,363.89
  4. Step 4: Simplify right side
    1,394,919.36x = 938,147,165,376.12
  5. Step 5: Solve for x
    x = 938,147,165,376.12/1,394,919.36
  6. Step 6: Final answer
    x = 672,545.81

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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.