Home / 1,332,723.48-1,999,083.54-434,163.72

Finding the Fourth Proportional to 1,332,723.48, 1,999,083.54 and 434,163.72

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Solution

The fourth proportional to 1,332,723.48, 1,999,083.54 and 434,163.72 is: 651,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,723.48 : 1,999,083.54 = 434,163.72 : x
  2. Step 2: Convert to fraction form
    1,332,723.48/1,999,083.54 = 434,163.72/x
  3. Step 3: Cross multiply
    1,332,723.48x = 1,999,083.54 × 434,163.72
  4. Step 4: Simplify right side
    1,332,723.48x = 867,929,546,317.17
  5. Step 5: Solve for x
    x = 867,929,546,317.17/1,332,723.48
  6. Step 6: Final answer
    x = 651,245.03

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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.