Home / 1,382,890-1,908,388.20-746,986

Finding the Fourth Proportional to 1,382,890, 1,908,388.20 and 746,986

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Solution

The fourth proportional to 1,382,890, 1,908,388.20 and 746,986 is: 1,030,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,890 : 1,908,388.20 = 746,986 : x
  2. Step 2: Convert to fraction form
    1,382,890/1,908,388.20 = 746,986/x
  3. Step 3: Cross multiply
    1,382,890x = 1,908,388.20 × 746,986
  4. Step 4: Simplify right side
    1,382,890x = 1,425,539,267,965.20
  5. Step 5: Solve for x
    x = 1,425,539,267,965.20/1,382,890
  6. Step 6: Final answer
    x = 1,030,840.68

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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.