Home / 1,304,129.40-1,957,346.10-770,983.80

Finding the Fourth Proportional to 1,304,129.40, 1,957,346.10 and 770,983.80

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Solution

The fourth proportional to 1,304,129.40, 1,957,346.10 and 770,983.80 is: 1,157,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,129.40 : 1,957,346.10 = 770,983.80 : x
  2. Step 2: Convert to fraction form
    1,304,129.40/1,957,346.10 = 770,983.80/x
  3. Step 3: Cross multiply
    1,304,129.40x = 1,957,346.10 × 770,983.80
  4. Step 4: Simplify right side
    1,304,129.40x = 1,509,082,134,093.18
  5. Step 5: Solve for x
    x = 1,509,082,134,093.18/1,304,129.40
  6. Step 6: Final answer
    x = 1,157,156.75

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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.