Home / 1,988,082.80-2,983,679.40-923,256.80

Finding the Fourth Proportional to 1,988,082.80, 2,983,679.40 and 923,256.80

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Solution

The fourth proportional to 1,988,082.80, 2,983,679.40 and 923,256.80 is: 1,385,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,082.80 : 2,983,679.40 = 923,256.80 : x
  2. Step 2: Convert to fraction form
    1,988,082.80/2,983,679.40 = 923,256.80/x
  3. Step 3: Cross multiply
    1,988,082.80x = 2,983,679.40 × 923,256.80
  4. Step 4: Simplify right side
    1,988,082.80x = 2,754,702,295,069.92
  5. Step 5: Solve for x
    x = 2,754,702,295,069.92/1,988,082.80
  6. Step 6: Final answer
    x = 1,385,607.43

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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.