Home / 1,255,516.78-1,732,576.96-711,702.84

Finding the Fourth Proportional to 1,255,516.78, 1,732,576.96 and 711,702.84

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Solution

The fourth proportional to 1,255,516.78, 1,732,576.96 and 711,702.84 is: 982,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,516.78 : 1,732,576.96 = 711,702.84 : x
  2. Step 2: Convert to fraction form
    1,255,516.78/1,732,576.96 = 711,702.84/x
  3. Step 3: Cross multiply
    1,255,516.78x = 1,732,576.96 × 711,702.84
  4. Step 4: Simplify right side
    1,255,516.78x = 1,233,079,942,950.57
  5. Step 5: Solve for x
    x = 1,233,079,942,950.57/1,255,516.78
  6. Step 6: Final answer
    x = 982,129.40

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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.