Home / 1,377,028.50-1,900,477.53-773,416.50

Finding the Fourth Proportional to 1,377,028.50, 1,900,477.53 and 773,416.50

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Solution

The fourth proportional to 1,377,028.50, 1,900,477.53 and 773,416.50 is: 1,067,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,028.50 : 1,900,477.53 = 773,416.50 : x
  2. Step 2: Convert to fraction form
    1,377,028.50/1,900,477.53 = 773,416.50/x
  3. Step 3: Cross multiply
    1,377,028.50x = 1,900,477.53 × 773,416.50
  4. Step 4: Simplify right side
    1,377,028.50x = 1,469,860,679,581.25
  5. Step 5: Solve for x
    x = 1,469,860,679,581.25/1,377,028.50
  6. Step 6: Final answer
    x = 1,067,414.86

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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.