Home / 1,538,636.88-2,123,361.32-850,353.35

Finding the Fourth Proportional to 1,538,636.88, 2,123,361.32 and 850,353.35

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Solution

The fourth proportional to 1,538,636.88, 2,123,361.32 and 850,353.35 is: 1,173,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,636.88 : 2,123,361.32 = 850,353.35 : x
  2. Step 2: Convert to fraction form
    1,538,636.88/2,123,361.32 = 850,353.35/x
  3. Step 3: Cross multiply
    1,538,636.88x = 2,123,361.32 × 850,353.35
  4. Step 4: Simplify right side
    1,538,636.88x = 1,805,607,411,722.42
  5. Step 5: Solve for x
    x = 1,805,607,411,722.42/1,538,636.88
  6. Step 6: Final answer
    x = 1,173,511.07

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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.