Home / 1,725,320.87-2,380,910.91-940,393.55

Finding the Fourth Proportional to 1,725,320.87, 2,380,910.91 and 940,393.55

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Solution

The fourth proportional to 1,725,320.87, 2,380,910.91 and 940,393.55 is: 1,297,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,320.87 : 2,380,910.91 = 940,393.55 : x
  2. Step 2: Convert to fraction form
    1,725,320.87/2,380,910.91 = 940,393.55/x
  3. Step 3: Cross multiply
    1,725,320.87x = 2,380,910.91 × 940,393.55
  4. Step 4: Simplify right side
    1,725,320.87x = 2,238,993,262,888.63
  5. Step 5: Solve for x
    x = 2,238,993,262,888.63/1,725,320.87
  6. Step 6: Final answer
    x = 1,297,725.72

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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.