Home / 1,242,516.92-1,861,043.45-1,026,840.44

Finding the Fourth Proportional to 1,242,516.92, 1,861,043.45 and 1,026,840.44

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Solution

The fourth proportional to 1,242,516.92, 1,861,043.45 and 1,026,840.44 is: 1,538,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,516.92 : 1,861,043.45 = 1,026,840.44 : x
  2. Step 2: Convert to fraction form
    1,242,516.92/1,861,043.45 = 1,026,840.44/x
  3. Step 3: Cross multiply
    1,242,516.92x = 1,861,043.45 × 1,026,840.44
  4. Step 4: Simplify right side
    1,242,516.92x = 1,910,994,674,575.52
  5. Step 5: Solve for x
    x = 1,910,994,674,575.52/1,242,516.92
  6. Step 6: Final answer
    x = 1,538,002.95

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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.