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Finding the Fourth Proportional to 1,180,802.80, 1,768,579.80 and 1,023,338.80

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Solution

The fourth proportional to 1,180,802.80, 1,768,579.80 and 1,023,338.80 is: 1,532,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,802.80 : 1,768,579.80 = 1,023,338.80 : x
  2. Step 2: Convert to fraction form
    1,180,802.80/1,768,579.80 = 1,023,338.80/x
  3. Step 3: Cross multiply
    1,180,802.80x = 1,768,579.80 × 1,023,338.80
  4. Step 4: Simplify right side
    1,180,802.80x = 1,809,856,330,236.24
  5. Step 5: Solve for x
    x = 1,809,856,330,236.24/1,180,802.80
  6. Step 6: Final answer
    x = 1,532,733.77

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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.