Home / 1,665,972.54-2,297,872.92-1,021,649.55

Finding the Fourth Proportional to 1,665,972.54, 2,297,872.92 and 1,021,649.55

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Solution

The fourth proportional to 1,665,972.54, 2,297,872.92 and 1,021,649.55 is: 1,409,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,972.54 : 2,297,872.92 = 1,021,649.55 : x
  2. Step 2: Convert to fraction form
    1,665,972.54/2,297,872.92 = 1,021,649.55/x
  3. Step 3: Cross multiply
    1,665,972.54x = 2,297,872.92 × 1,021,649.55
  4. Step 4: Simplify right side
    1,665,972.54x = 2,347,620,834,675.19
  5. Step 5: Solve for x
    x = 2,347,620,834,675.19/1,665,972.54
  6. Step 6: Final answer
    x = 1,409,159.38

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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.