Home / 1,538,464.08-2,123,097.84-850,133.10

Finding the Fourth Proportional to 1,538,464.08, 2,123,097.84 and 850,133.10

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Solution

The fourth proportional to 1,538,464.08, 2,123,097.84 and 850,133.10 is: 1,173,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,464.08 : 2,123,097.84 = 850,133.10 : x
  2. Step 2: Convert to fraction form
    1,538,464.08/2,123,097.84 = 850,133.10/x
  3. Step 3: Cross multiply
    1,538,464.08x = 2,123,097.84 × 850,133.10
  4. Step 4: Simplify right side
    1,538,464.08x = 1,804,915,748,322.50
  5. Step 5: Solve for x
    x = 1,804,915,748,322.50/1,538,464.08
  6. Step 6: Final answer
    x = 1,173,193.30

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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.