Home / 1,557,314.20-2,336,408.70-758,621.80

Finding the Fourth Proportional to 1,557,314.20, 2,336,408.70 and 758,621.80

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Solution

The fourth proportional to 1,557,314.20, 2,336,408.70 and 758,621.80 is: 1,138,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,314.20 : 2,336,408.70 = 758,621.80 : x
  2. Step 2: Convert to fraction form
    1,557,314.20/2,336,408.70 = 758,621.80/x
  3. Step 3: Cross multiply
    1,557,314.20x = 2,336,408.70 × 758,621.80
  4. Step 4: Simplify right side
    1,557,314.20x = 1,772,450,573,529.66
  5. Step 5: Solve for x
    x = 1,772,450,573,529.66/1,557,314.20
  6. Step 6: Final answer
    x = 1,138,145.77

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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.