Home / 1,257,874.31-1,735,895.04-713,959.21

Finding the Fourth Proportional to 1,257,874.31, 1,735,895.04 and 713,959.21

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Solution

The fourth proportional to 1,257,874.31, 1,735,895.04 and 713,959.21 is: 985,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,874.31 : 1,735,895.04 = 713,959.21 : x
  2. Step 2: Convert to fraction form
    1,257,874.31/1,735,895.04 = 713,959.21/x
  3. Step 3: Cross multiply
    1,257,874.31x = 1,735,895.04 × 713,959.21
  4. Step 4: Simplify right side
    1,257,874.31x = 1,239,358,250,893.84
  5. Step 5: Solve for x
    x = 1,239,358,250,893.84/1,257,874.31
  6. Step 6: Final answer
    x = 985,279.88

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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.