Home / 1,280,614.05-1,767,614.94-845,349.12

Finding the Fourth Proportional to 1,280,614.05, 1,767,614.94 and 845,349.12

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Solution

The fourth proportional to 1,280,614.05, 1,767,614.94 and 845,349.12 is: 1,166,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,614.05 : 1,767,614.94 = 845,349.12 : x
  2. Step 2: Convert to fraction form
    1,280,614.05/1,767,614.94 = 845,349.12/x
  3. Step 3: Cross multiply
    1,280,614.05x = 1,767,614.94 × 845,349.12
  4. Step 4: Simplify right side
    1,280,614.05x = 1,494,251,734,027.85
  5. Step 5: Solve for x
    x = 1,494,251,734,027.85/1,280,614.05
  6. Step 6: Final answer
    x = 1,166,824.41

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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.