Home / 1,171,861.25-1,755,782.87-786,888.50

Finding the Fourth Proportional to 1,171,861.25, 1,755,782.87 and 786,888.50

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Solution

The fourth proportional to 1,171,861.25, 1,755,782.87 and 786,888.50 is: 1,178,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,861.25 : 1,755,782.87 = 786,888.50 : x
  2. Step 2: Convert to fraction form
    1,171,861.25/1,755,782.87 = 786,888.50/x
  3. Step 3: Cross multiply
    1,171,861.25x = 1,755,782.87 × 786,888.50
  4. Step 4: Simplify right side
    1,171,861.25x = 1,381,605,336,186.64
  5. Step 5: Solve for x
    x = 1,381,605,336,186.64/1,171,861.25
  6. Step 6: Final answer
    x = 1,178,983.73

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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.