Home / 1,377,362.75-2,064,860.85-478,687.73

Finding the Fourth Proportional to 1,377,362.75, 2,064,860.85 and 478,687.73

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Solution

The fourth proportional to 1,377,362.75, 2,064,860.85 and 478,687.73 is: 717,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,362.75 : 2,064,860.85 = 478,687.73 : x
  2. Step 2: Convert to fraction form
    1,377,362.75/2,064,860.85 = 478,687.73/x
  3. Step 3: Cross multiply
    1,377,362.75x = 2,064,860.85 × 478,687.73
  4. Step 4: Simplify right side
    1,377,362.75x = 988,423,553,052.37
  5. Step 5: Solve for x
    x = 988,423,553,052.37/1,377,362.75
  6. Step 6: Final answer
    x = 717,620.36

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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.