Home / 1,436,505.80-2,155,393.44-753,229.49

Finding the Fourth Proportional to 1,436,505.80, 2,155,393.44 and 753,229.49

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Solution

The fourth proportional to 1,436,505.80, 2,155,393.44 and 753,229.49 is: 1,130,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,505.80 : 2,155,393.44 = 753,229.49 : x
  2. Step 2: Convert to fraction form
    1,436,505.80/2,155,393.44 = 753,229.49/x
  3. Step 3: Cross multiply
    1,436,505.80x = 2,155,393.44 × 753,229.49
  4. Step 4: Simplify right side
    1,436,505.80x = 1,623,505,890,783.58
  5. Step 5: Solve for x
    x = 1,623,505,890,783.58/1,436,505.80
  6. Step 6: Final answer
    x = 1,130,177.06

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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.