Home / 1,276,521.46-1,914,788.36-377,980.16

Finding the Fourth Proportional to 1,276,521.46, 1,914,788.36 and 377,980.16

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Solution

The fourth proportional to 1,276,521.46, 1,914,788.36 and 377,980.16 is: 566,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,521.46 : 1,914,788.36 = 377,980.16 : x
  2. Step 2: Convert to fraction form
    1,276,521.46/1,914,788.36 = 377,980.16/x
  3. Step 3: Cross multiply
    1,276,521.46x = 1,914,788.36 × 377,980.16
  4. Step 4: Simplify right side
    1,276,521.46x = 723,752,002,049.95
  5. Step 5: Solve for x
    x = 723,752,002,049.95/1,276,521.46
  6. Step 6: Final answer
    x = 566,972.06

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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.