Home / 1,690,138.08-2,533,500.24-1,059,493.92

Finding the Fourth Proportional to 1,690,138.08, 2,533,500.24 and 1,059,493.92

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Solution

The fourth proportional to 1,690,138.08, 2,533,500.24 and 1,059,493.92 is: 1,588,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,138.08 : 2,533,500.24 = 1,059,493.92 : x
  2. Step 2: Convert to fraction form
    1,690,138.08/2,533,500.24 = 1,059,493.92/x
  3. Step 3: Cross multiply
    1,690,138.08x = 2,533,500.24 × 1,059,493.92
  4. Step 4: Simplify right side
    1,690,138.08x = 2,684,228,100,598.54
  5. Step 5: Solve for x
    x = 2,684,228,100,598.54/1,690,138.08
  6. Step 6: Final answer
    x = 1,588,170.89

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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.