Home / 1,123,052.80-1,681,954.80-1,100,502.40

Finding the Fourth Proportional to 1,123,052.80, 1,681,954.80 and 1,100,502.40

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Solution

The fourth proportional to 1,123,052.80, 1,681,954.80 and 1,100,502.40 is: 1,648,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,052.80 : 1,681,954.80 = 1,100,502.40 : x
  2. Step 2: Convert to fraction form
    1,123,052.80/1,681,954.80 = 1,100,502.40/x
  3. Step 3: Cross multiply
    1,123,052.80x = 1,681,954.80 × 1,100,502.40
  4. Step 4: Simplify right side
    1,123,052.80x = 1,850,995,294,091.52
  5. Step 5: Solve for x
    x = 1,850,995,294,091.52/1,123,052.80
  6. Step 6: Final answer
    x = 1,648,181.90

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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.