Home / 1,314,164.78-1,813,536.85-762,931.63

Finding the Fourth Proportional to 1,314,164.78, 1,813,536.85 and 762,931.63

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Solution

The fourth proportional to 1,314,164.78, 1,813,536.85 and 762,931.63 is: 1,052,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,164.78 : 1,813,536.85 = 762,931.63 : x
  2. Step 2: Convert to fraction form
    1,314,164.78/1,813,536.85 = 762,931.63/x
  3. Step 3: Cross multiply
    1,314,164.78x = 1,813,536.85 × 762,931.63
  4. Step 4: Simplify right side
    1,314,164.78x = 1,383,604,621,220.91
  5. Step 5: Solve for x
    x = 1,383,604,621,220.91/1,314,164.78
  6. Step 6: Final answer
    x = 1,052,839.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.