Home / 1,257,728.46-1,735,702.47-713,853.42

Finding the Fourth Proportional to 1,257,728.46, 1,735,702.47 and 713,853.42

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Solution

The fourth proportional to 1,257,728.46, 1,735,702.47 and 713,853.42 is: 985,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,728.46 : 1,735,702.47 = 713,853.42 : x
  2. Step 2: Convert to fraction form
    1,257,728.46/1,735,702.47 = 713,853.42/x
  3. Step 3: Cross multiply
    1,257,728.46x = 1,735,702.47 × 713,853.42
  4. Step 4: Simplify right side
    1,257,728.46x = 1,239,037,144,311.95
  5. Step 5: Solve for x
    x = 1,239,037,144,311.95/1,257,728.46
  6. Step 6: Final answer
    x = 985,138.83

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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.