Home / 1,015,994.99-1,521,002.88-678,197.79

Finding the Fourth Proportional to 1,015,994.99, 1,521,002.88 and 678,197.79

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Solution

The fourth proportional to 1,015,994.99, 1,521,002.88 and 678,197.79 is: 1,015,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,994.99 : 1,521,002.88 = 678,197.79 : x
  2. Step 2: Convert to fraction form
    1,015,994.99/1,521,002.88 = 678,197.79/x
  3. Step 3: Cross multiply
    1,015,994.99x = 1,521,002.88 × 678,197.79
  4. Step 4: Simplify right side
    1,015,994.99x = 1,031,540,791,799.64
  5. Step 5: Solve for x
    x = 1,031,540,791,799.64/1,015,994.99
  6. Step 6: Final answer
    x = 1,015,301.06

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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.