Home / 1,380,023.32-2,069,380.08-481,355.84

Finding the Fourth Proportional to 1,380,023.32, 2,069,380.08 and 481,355.84

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Solution

The fourth proportional to 1,380,023.32, 2,069,380.08 and 481,355.84 is: 721,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,023.32 : 2,069,380.08 = 481,355.84 : x
  2. Step 2: Convert to fraction form
    1,380,023.32/2,069,380.08 = 481,355.84/x
  3. Step 3: Cross multiply
    1,380,023.32x = 2,069,380.08 × 481,355.84
  4. Step 4: Simplify right side
    1,380,023.32x = 996,108,186,687.67
  5. Step 5: Solve for x
    x = 996,108,186,687.67/1,380,023.32
  6. Step 6: Final answer
    x = 721,805.33

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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.