Home / 1,377,266.64-2,066,232.96-478,578

Finding the Fourth Proportional to 1,377,266.64, 2,066,232.96 and 478,578

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Solution

The fourth proportional to 1,377,266.64, 2,066,232.96 and 478,578 is: 717,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,266.64 : 2,066,232.96 = 478,578 : x
  2. Step 2: Convert to fraction form
    1,377,266.64/2,066,232.96 = 478,578/x
  3. Step 3: Cross multiply
    1,377,266.64x = 2,066,232.96 × 478,578
  4. Step 4: Simplify right side
    1,377,266.64x = 988,853,637,530.88
  5. Step 5: Solve for x
    x = 988,853,637,530.88/1,377,266.64
  6. Step 6: Final answer
    x = 717,982.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.