Home / 1,376,479.32-1,899,845.27-764,842.33

Finding the Fourth Proportional to 1,376,479.32, 1,899,845.27 and 764,842.33

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Solution

The fourth proportional to 1,376,479.32, 1,899,845.27 and 764,842.33 is: 1,055,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,479.32 : 1,899,845.27 = 764,842.33 : x
  2. Step 2: Convert to fraction form
    1,376,479.32/1,899,845.27 = 764,842.33/x
  3. Step 3: Cross multiply
    1,376,479.32x = 1,899,845.27 × 764,842.33
  4. Step 4: Simplify right side
    1,376,479.32x = 1,453,082,082,946.28
  5. Step 5: Solve for x
    x = 1,453,082,082,946.28/1,376,479.32
  6. Step 6: Final answer
    x = 1,055,651.23

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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.