Home / 1,663,874.60-2,295,949.46-938,679.98

Finding the Fourth Proportional to 1,663,874.60, 2,295,949.46 and 938,679.98

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Solution

The fourth proportional to 1,663,874.60, 2,295,949.46 and 938,679.98 is: 1,295,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,874.60 : 2,295,949.46 = 938,679.98 : x
  2. Step 2: Convert to fraction form
    1,663,874.60/2,295,949.46 = 938,679.98/x
  3. Step 3: Cross multiply
    1,663,874.60x = 2,295,949.46 × 938,679.98
  4. Step 4: Simplify right side
    1,663,874.60x = 2,155,161,777,020.66
  5. Step 5: Solve for x
    x = 2,155,161,777,020.66/1,663,874.60
  6. Step 6: Final answer
    x = 1,295,266.95

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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.