Home / 1,318,444-1,976,493.12-476,808.64

Finding the Fourth Proportional to 1,318,444, 1,976,493.12 and 476,808.64

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Solution

The fourth proportional to 1,318,444, 1,976,493.12 and 476,808.64 is: 714,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,444 : 1,976,493.12 = 476,808.64 : x
  2. Step 2: Convert to fraction form
    1,318,444/1,976,493.12 = 476,808.64/x
  3. Step 3: Cross multiply
    1,318,444x = 1,976,493.12 × 476,808.64
  4. Step 4: Simplify right side
    1,318,444x = 942,408,996,516.56
  5. Step 5: Solve for x
    x = 942,408,996,516.56/1,318,444
  6. Step 6: Final answer
    x = 714,788.79

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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.