Home / 1,608,821.73-2,220,328.17-920,356.89

Finding the Fourth Proportional to 1,608,821.73, 2,220,328.17 and 920,356.89

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Solution

The fourth proportional to 1,608,821.73, 2,220,328.17 and 920,356.89 is: 1,270,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,821.73 : 2,220,328.17 = 920,356.89 : x
  2. Step 2: Convert to fraction form
    1,608,821.73/2,220,328.17 = 920,356.89/x
  3. Step 3: Cross multiply
    1,608,821.73x = 2,220,328.17 × 920,356.89
  4. Step 4: Simplify right side
    1,608,821.73x = 2,043,494,329,320.59
  5. Step 5: Solve for x
    x = 2,043,494,329,320.59/1,608,821.73
  6. Step 6: Final answer
    x = 1,270,180.71

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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.