Home / 1,418,122.20-2,125,409.40-708,348.36

Finding the Fourth Proportional to 1,418,122.20, 2,125,409.40 and 708,348.36

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Solution

The fourth proportional to 1,418,122.20, 2,125,409.40 and 708,348.36 is: 1,061,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,122.20 : 2,125,409.40 = 708,348.36 : x
  2. Step 2: Convert to fraction form
    1,418,122.20/2,125,409.40 = 708,348.36/x
  3. Step 3: Cross multiply
    1,418,122.20x = 2,125,409.40 × 708,348.36
  4. Step 4: Simplify right side
    1,418,122.20x = 1,505,530,262,818.58
  5. Step 5: Solve for x
    x = 1,505,530,262,818.58/1,418,122.20
  6. Step 6: Final answer
    x = 1,061,636.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.