Home / 1,270,261.46-1,905,766.49-511,712.58

Finding the Fourth Proportional to 1,270,261.46, 1,905,766.49 and 511,712.58

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Solution

The fourth proportional to 1,270,261.46, 1,905,766.49 and 511,712.58 is: 767,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,261.46 : 1,905,766.49 = 511,712.58 : x
  2. Step 2: Convert to fraction form
    1,270,261.46/1,905,766.49 = 511,712.58/x
  3. Step 3: Cross multiply
    1,270,261.46x = 1,905,766.49 × 511,712.58
  4. Step 4: Simplify right side
    1,270,261.46x = 975,204,690,963.40
  5. Step 5: Solve for x
    x = 975,204,690,963.40/1,270,261.46
  6. Step 6: Final answer
    x = 767,719.66

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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.