Home / 1,319,651.90-1,980,473.01-965,579.42

Finding the Fourth Proportional to 1,319,651.90, 1,980,473.01 and 965,579.42

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Solution

The fourth proportional to 1,319,651.90, 1,980,473.01 and 965,579.42 is: 1,449,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,651.90 : 1,980,473.01 = 965,579.42 : x
  2. Step 2: Convert to fraction form
    1,319,651.90/1,980,473.01 = 965,579.42/x
  3. Step 3: Cross multiply
    1,319,651.90x = 1,980,473.01 × 965,579.42
  4. Step 4: Simplify right side
    1,319,651.90x = 1,912,303,980,321.45
  5. Step 5: Solve for x
    x = 1,912,303,980,321.45/1,319,651.90
  6. Step 6: Final answer
    x = 1,449,097.28

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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.