Home / 1,302,132.60-1,952,542.80-769,816.80

Finding the Fourth Proportional to 1,302,132.60, 1,952,542.80 and 769,816.80

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Solution

The fourth proportional to 1,302,132.60, 1,952,542.80 and 769,816.80 is: 1,154,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,132.60 : 1,952,542.80 = 769,816.80 : x
  2. Step 2: Convert to fraction form
    1,302,132.60/1,952,542.80 = 769,816.80/x
  3. Step 3: Cross multiply
    1,302,132.60x = 1,952,542.80 × 769,816.80
  4. Step 4: Simplify right side
    1,302,132.60x = 1,503,100,250,159.04
  5. Step 5: Solve for x
    x = 1,503,100,250,159.04/1,302,132.60
  6. Step 6: Final answer
    x = 1,154,337.32

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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.