Home / 1,377,114.20-2,065,999.35-666,557.90

Finding the Fourth Proportional to 1,377,114.20, 2,065,999.35 and 666,557.90

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Solution

The fourth proportional to 1,377,114.20, 2,065,999.35 and 666,557.90 is: 999,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,114.20 : 2,065,999.35 = 666,557.90 : x
  2. Step 2: Convert to fraction form
    1,377,114.20/2,065,999.35 = 666,557.90/x
  3. Step 3: Cross multiply
    1,377,114.20x = 2,065,999.35 × 666,557.90
  4. Step 4: Simplify right side
    1,377,114.20x = 1,377,108,188,137.37
  5. Step 5: Solve for x
    x = 1,377,108,188,137.37/1,377,114.20
  6. Step 6: Final answer
    x = 999,995.63

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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.