Home / 1,259,141.31-1,737,564.48-686,169.18

Finding the Fourth Proportional to 1,259,141.31, 1,737,564.48 and 686,169.18

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Solution

The fourth proportional to 1,259,141.31, 1,737,564.48 and 686,169.18 is: 946,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,141.31 : 1,737,564.48 = 686,169.18 : x
  2. Step 2: Convert to fraction form
    1,259,141.31/1,737,564.48 = 686,169.18/x
  3. Step 3: Cross multiply
    1,259,141.31x = 1,737,564.48 × 686,169.18
  4. Step 4: Simplify right side
    1,259,141.31x = 1,192,263,194,438.73
  5. Step 5: Solve for x
    x = 1,192,263,194,438.73/1,259,141.31
  6. Step 6: Final answer
    x = 946,885.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.