Home / 1,159,889.80-1,739,834.70-1,068,910.60

Finding the Fourth Proportional to 1,159,889.80, 1,739,834.70 and 1,068,910.60

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Solution

The fourth proportional to 1,159,889.80, 1,739,834.70 and 1,068,910.60 is: 1,603,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,889.80 : 1,739,834.70 = 1,068,910.60 : x
  2. Step 2: Convert to fraction form
    1,159,889.80/1,739,834.70 = 1,068,910.60/x
  3. Step 3: Cross multiply
    1,159,889.80x = 1,739,834.70 × 1,068,910.60
  4. Step 4: Simplify right side
    1,159,889.80x = 1,859,727,753,077.82
  5. Step 5: Solve for x
    x = 1,859,727,753,077.82/1,159,889.80
  6. Step 6: Final answer
    x = 1,603,365.90

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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.