Home / 1,376,559.26-1,899,715.38-764,712.80

Finding the Fourth Proportional to 1,376,559.26, 1,899,715.38 and 764,712.80

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Solution

The fourth proportional to 1,376,559.26, 1,899,715.38 and 764,712.80 is: 1,055,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,559.26 : 1,899,715.38 = 764,712.80 : x
  2. Step 2: Convert to fraction form
    1,376,559.26/1,899,715.38 = 764,712.80/x
  3. Step 3: Cross multiply
    1,376,559.26x = 1,899,715.38 × 764,712.80
  4. Step 4: Simplify right side
    1,376,559.26x = 1,452,736,667,442.86
  5. Step 5: Solve for x
    x = 1,452,736,667,442.86/1,376,559.26
  6. Step 6: Final answer
    x = 1,055,339.00

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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.