Home / 1,665,414.48-2,495,504.88-1,287,261.12

Finding the Fourth Proportional to 1,665,414.48, 2,495,504.88 and 1,287,261.12

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Solution

The fourth proportional to 1,665,414.48, 2,495,504.88 and 1,287,261.12 is: 1,928,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,414.48 : 2,495,504.88 = 1,287,261.12 : x
  2. Step 2: Convert to fraction form
    1,665,414.48/2,495,504.88 = 1,287,261.12/x
  3. Step 3: Cross multiply
    1,665,414.48x = 2,495,504.88 × 1,287,261.12
  4. Step 4: Simplify right side
    1,665,414.48x = 3,212,366,406,794.27
  5. Step 5: Solve for x
    x = 3,212,366,406,794.27/1,665,414.48
  6. Step 6: Final answer
    x = 1,928,869.03

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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.