Home / 1,485,506.67-2,050,015.68-840,912.72

Finding the Fourth Proportional to 1,485,506.67, 2,050,015.68 and 840,912.72

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Solution

The fourth proportional to 1,485,506.67, 2,050,015.68 and 840,912.72 is: 1,160,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,506.67 : 2,050,015.68 = 840,912.72 : x
  2. Step 2: Convert to fraction form
    1,485,506.67/2,050,015.68 = 840,912.72/x
  3. Step 3: Cross multiply
    1,485,506.67x = 2,050,015.68 × 840,912.72
  4. Step 4: Simplify right side
    1,485,506.67x = 1,723,884,261,511.45
  5. Step 5: Solve for x
    x = 1,723,884,261,511.45/1,485,506.67
  6. Step 6: Final answer
    x = 1,160,468.88

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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.