Home / 1,380,436.68-1,900,777.65-1,376,450.88

Finding the Fourth Proportional to 1,380,436.68, 1,900,777.65 and 1,376,450.88

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Solution

The fourth proportional to 1,380,436.68, 1,900,777.65 and 1,376,450.88 is: 1,895,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,436.68 : 1,900,777.65 = 1,376,450.88 : x
  2. Step 2: Convert to fraction form
    1,380,436.68/1,900,777.65 = 1,376,450.88/x
  3. Step 3: Cross multiply
    1,380,436.68x = 1,900,777.65 × 1,376,450.88
  4. Step 4: Simplify right side
    1,380,436.68x = 2,616,327,069,026.83
  5. Step 5: Solve for x
    x = 2,616,327,069,026.83/1,380,436.68
  6. Step 6: Final answer
    x = 1,895,289.44

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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.