Home / 1,278,495.59-1,764,692.73-755,690.54

Finding the Fourth Proportional to 1,278,495.59, 1,764,692.73 and 755,690.54

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Solution

The fourth proportional to 1,278,495.59, 1,764,692.73 and 755,690.54 is: 1,043,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,495.59 : 1,764,692.73 = 755,690.54 : x
  2. Step 2: Convert to fraction form
    1,278,495.59/1,764,692.73 = 755,690.54/x
  3. Step 3: Cross multiply
    1,278,495.59x = 1,764,692.73 × 755,690.54
  4. Step 4: Simplify right side
    1,278,495.59x = 1,333,561,593,244.31
  5. Step 5: Solve for x
    x = 1,333,561,593,244.31/1,278,495.59
  6. Step 6: Final answer
    x = 1,043,070.94

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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.