Home / 1,302,285.60-1,952,772.30-769,969.80

Finding the Fourth Proportional to 1,302,285.60, 1,952,772.30 and 769,969.80

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Solution

The fourth proportional to 1,302,285.60, 1,952,772.30 and 769,969.80 is: 1,154,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,285.60 : 1,952,772.30 = 769,969.80 : x
  2. Step 2: Convert to fraction form
    1,302,285.60/1,952,772.30 = 769,969.80/x
  3. Step 3: Cross multiply
    1,302,285.60x = 1,952,772.30 × 769,969.80
  4. Step 4: Simplify right side
    1,302,285.60x = 1,503,575,697,276.54
  5. Step 5: Solve for x
    x = 1,503,575,697,276.54/1,302,285.60
  6. Step 6: Final answer
    x = 1,154,566.78

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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.