Home / 947,377.37-1,418,519.58-721,662.57

Finding the Fourth Proportional to 947,377.37, 1,418,519.58 and 721,662.57

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Solution

The fourth proportional to 947,377.37, 1,418,519.58 and 721,662.57 is: 1,080,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,377.37 : 1,418,519.58 = 721,662.57 : x
  2. Step 2: Convert to fraction form
    947,377.37/1,418,519.58 = 721,662.57/x
  3. Step 3: Cross multiply
    947,377.37x = 1,418,519.58 × 721,662.57
  4. Step 4: Simplify right side
    947,377.37x = 1,023,692,482,991.89
  5. Step 5: Solve for x
    x = 1,023,692,482,991.89/947,377.37
  6. Step 6: Final answer
    x = 1,080,554.08

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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.