Home / 1,226,485.26-1,840,034.07-427,778.28

Finding the Fourth Proportional to 1,226,485.26, 1,840,034.07 and 427,778.28

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Solution

The fourth proportional to 1,226,485.26, 1,840,034.07 and 427,778.28 is: 641,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,485.26 : 1,840,034.07 = 427,778.28 : x
  2. Step 2: Convert to fraction form
    1,226,485.26/1,840,034.07 = 427,778.28/x
  3. Step 3: Cross multiply
    1,226,485.26x = 1,840,034.07 × 427,778.28
  4. Step 4: Simplify right side
    1,226,485.26x = 787,126,609,606.00
  5. Step 5: Solve for x
    x = 787,126,609,606.00/1,226,485.26
  6. Step 6: Final answer
    x = 641,774.21

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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.