Home / 1,329,450.13-1,994,677.78-520,412.75

Finding the Fourth Proportional to 1,329,450.13, 1,994,677.78 and 520,412.75

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Solution

The fourth proportional to 1,329,450.13, 1,994,677.78 and 520,412.75 is: 780,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,450.13 : 1,994,677.78 = 520,412.75 : x
  2. Step 2: Convert to fraction form
    1,329,450.13/1,994,677.78 = 520,412.75/x
  3. Step 3: Cross multiply
    1,329,450.13x = 1,994,677.78 × 520,412.75
  4. Step 4: Simplify right side
    1,329,450.13x = 1,038,055,747,552.66
  5. Step 5: Solve for x
    x = 1,038,055,747,552.66/1,329,450.13
  6. Step 6: Final answer
    x = 780,815.86

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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.