Home / 1,276,631.82-1,914,682.41-377,862.66

Finding the Fourth Proportional to 1,276,631.82, 1,914,682.41 and 377,862.66

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Solution

The fourth proportional to 1,276,631.82, 1,914,682.41 and 377,862.66 is: 566,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,631.82 : 1,914,682.41 = 377,862.66 : x
  2. Step 2: Convert to fraction form
    1,276,631.82/1,914,682.41 = 377,862.66/x
  3. Step 3: Cross multiply
    1,276,631.82x = 1,914,682.41 × 377,862.66
  4. Step 4: Simplify right side
    1,276,631.82x = 723,486,988,497.81
  5. Step 5: Solve for x
    x = 723,486,988,497.81/1,276,631.82
  6. Step 6: Final answer
    x = 566,715.46

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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.