Home / 1,164,156.73-1,747,361.29-840,278.74

Finding the Fourth Proportional to 1,164,156.73, 1,747,361.29 and 840,278.74

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Solution

The fourth proportional to 1,164,156.73, 1,747,361.29 and 840,278.74 is: 1,261,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,156.73 : 1,747,361.29 = 840,278.74 : x
  2. Step 2: Convert to fraction form
    1,164,156.73/1,747,361.29 = 840,278.74/x
  3. Step 3: Cross multiply
    1,164,156.73x = 1,747,361.29 × 840,278.74
  4. Step 4: Simplify right side
    1,164,156.73x = 1,468,270,534,190.96
  5. Step 5: Solve for x
    x = 1,468,270,534,190.96/1,164,156.73
  6. Step 6: Final answer
    x = 1,261,230.98

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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.