Home / 1,687,458.72-2,329,285.52-1,043,372.96

Finding the Fourth Proportional to 1,687,458.72, 2,329,285.52 and 1,043,372.96

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Solution

The fourth proportional to 1,687,458.72, 2,329,285.52 and 1,043,372.96 is: 1,440,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,458.72 : 2,329,285.52 = 1,043,372.96 : x
  2. Step 2: Convert to fraction form
    1,687,458.72/2,329,285.52 = 1,043,372.96/x
  3. Step 3: Cross multiply
    1,687,458.72x = 2,329,285.52 × 1,043,372.96
  4. Step 4: Simplify right side
    1,687,458.72x = 2,430,313,527,687.54
  5. Step 5: Solve for x
    x = 2,430,313,527,687.54/1,687,458.72
  6. Step 6: Final answer
    x = 1,440,221.03

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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.