Home / 1,449,509.70-2,173,520.79-766,765.05

Finding the Fourth Proportional to 1,449,509.70, 2,173,520.79 and 766,765.05

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Solution

The fourth proportional to 1,449,509.70, 2,173,520.79 and 766,765.05 is: 1,149,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,509.70 : 2,173,520.79 = 766,765.05 : x
  2. Step 2: Convert to fraction form
    1,449,509.70/2,173,520.79 = 766,765.05/x
  3. Step 3: Cross multiply
    1,449,509.70x = 2,173,520.79 × 766,765.05
  4. Step 4: Simplify right side
    1,449,509.70x = 1,666,579,777,220.39
  5. Step 5: Solve for x
    x = 1,666,579,777,220.39/1,449,509.70
  6. Step 6: Final answer
    x = 1,149,754.14

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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.