Home / 1,377,745.81-2,067,559.12-479,178.59

Finding the Fourth Proportional to 1,377,745.81, 2,067,559.12 and 479,178.59

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Solution

The fourth proportional to 1,377,745.81, 2,067,559.12 and 479,178.59 is: 719,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,745.81 : 2,067,559.12 = 479,178.59 : x
  2. Step 2: Convert to fraction form
    1,377,745.81/2,067,559.12 = 479,178.59/x
  3. Step 3: Cross multiply
    1,377,745.81x = 2,067,559.12 × 479,178.59
  4. Step 4: Simplify right side
    1,377,745.81x = 990,730,054,124.42
  5. Step 5: Solve for x
    x = 990,730,054,124.42/1,377,745.81
  6. Step 6: Final answer
    x = 719,094.95

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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.