Home / 1,006,190.76-1,388,740.32-576,758.40

Finding the Fourth Proportional to 1,006,190.76, 1,388,740.32 and 576,758.40

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Solution

The fourth proportional to 1,006,190.76, 1,388,740.32 and 576,758.40 is: 796,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,190.76 : 1,388,740.32 = 576,758.40 : x
  2. Step 2: Convert to fraction form
    1,006,190.76/1,388,740.32 = 576,758.40/x
  3. Step 3: Cross multiply
    1,006,190.76x = 1,388,740.32 × 576,758.40
  4. Step 4: Simplify right side
    1,006,190.76x = 800,967,644,978.69
  5. Step 5: Solve for x
    x = 800,967,644,978.69/1,006,190.76
  6. Step 6: Final answer
    x = 796,039.56

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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.