Home / 1,006,486.86-1,388,990.08-576,849.90

Finding the Fourth Proportional to 1,006,486.86, 1,388,990.08 and 576,849.90

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Solution

The fourth proportional to 1,006,486.86, 1,388,990.08 and 576,849.90 is: 796,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,486.86 : 1,388,990.08 = 576,849.90 : x
  2. Step 2: Convert to fraction form
    1,006,486.86/1,388,990.08 = 576,849.90/x
  3. Step 3: Cross multiply
    1,006,486.86x = 1,388,990.08 × 576,849.90
  4. Step 4: Simplify right side
    1,006,486.86x = 801,238,791,433.99
  5. Step 5: Solve for x
    x = 801,238,791,433.99/1,006,486.86
  6. Step 6: Final answer
    x = 796,074.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.