Home / 1,298,249.28-1,947,538.08-445,487.04

Finding the Fourth Proportional to 1,298,249.28, 1,947,538.08 and 445,487.04

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Solution

The fourth proportional to 1,298,249.28, 1,947,538.08 and 445,487.04 is: 668,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,249.28 : 1,947,538.08 = 445,487.04 : x
  2. Step 2: Convert to fraction form
    1,298,249.28/1,947,538.08 = 445,487.04/x
  3. Step 3: Cross multiply
    1,298,249.28x = 1,947,538.08 × 445,487.04
  4. Step 4: Simplify right side
    1,298,249.28x = 867,602,974,546.48
  5. Step 5: Solve for x
    x = 867,602,974,546.48/1,298,249.28
  6. Step 6: Final answer
    x = 668,286.89

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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.