Home / 1,152,803.80-1,728,168.90-753,635.80

Finding the Fourth Proportional to 1,152,803.80, 1,728,168.90 and 753,635.80

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Solution

The fourth proportional to 1,152,803.80, 1,728,168.90 and 753,635.80 is: 1,129,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,803.80 : 1,728,168.90 = 753,635.80 : x
  2. Step 2: Convert to fraction form
    1,152,803.80/1,728,168.90 = 753,635.80/x
  3. Step 3: Cross multiply
    1,152,803.80x = 1,728,168.90 × 753,635.80
  4. Step 4: Simplify right side
    1,152,803.80x = 1,302,409,951,486.62
  5. Step 5: Solve for x
    x = 1,302,409,951,486.62/1,152,803.80
  6. Step 6: Final answer
    x = 1,129,775.90

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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.