Home / 1,320,792.41-1,822,745.79-740,020.55

Finding the Fourth Proportional to 1,320,792.41, 1,822,745.79 and 740,020.55

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Solution

The fourth proportional to 1,320,792.41, 1,822,745.79 and 740,020.55 is: 1,021,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,792.41 : 1,822,745.79 = 740,020.55 : x
  2. Step 2: Convert to fraction form
    1,320,792.41/1,822,745.79 = 740,020.55/x
  3. Step 3: Cross multiply
    1,320,792.41x = 1,822,745.79 × 740,020.55
  4. Step 4: Simplify right side
    1,320,792.41x = 1,348,869,346,582.85
  5. Step 5: Solve for x
    x = 1,348,869,346,582.85/1,320,792.41
  6. Step 6: Final answer
    x = 1,021,257.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.