Home / 1,322,397.46-1,983,438.51-782,976.34

Finding the Fourth Proportional to 1,322,397.46, 1,983,438.51 and 782,976.34

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Solution

The fourth proportional to 1,322,397.46, 1,983,438.51 and 782,976.34 is: 1,174,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,397.46 : 1,983,438.51 = 782,976.34 : x
  2. Step 2: Convert to fraction form
    1,322,397.46/1,983,438.51 = 782,976.34/x
  3. Step 3: Cross multiply
    1,322,397.46x = 1,983,438.51 × 782,976.34
  4. Step 4: Simplify right side
    1,322,397.46x = 1,552,985,425,174.85
  5. Step 5: Solve for x
    x = 1,552,985,425,174.85/1,322,397.46
  6. Step 6: Final answer
    x = 1,174,371.15

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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.