Home / 1,376,860.66-2,062,300.26-665,396.76

Finding the Fourth Proportional to 1,376,860.66, 2,062,300.26 and 665,396.76

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Solution

The fourth proportional to 1,376,860.66, 2,062,300.26 and 665,396.76 is: 996,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,860.66 : 2,062,300.26 = 665,396.76 : x
  2. Step 2: Convert to fraction form
    1,376,860.66/2,062,300.26 = 665,396.76/x
  3. Step 3: Cross multiply
    1,376,860.66x = 2,062,300.26 × 665,396.76
  4. Step 4: Simplify right side
    1,376,860.66x = 1,372,247,911,151.16
  5. Step 5: Solve for x
    x = 1,372,247,911,151.16/1,376,860.66
  6. Step 6: Final answer
    x = 996,649.81

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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.