Home / 1,341,213.42-1,850,887.64-729,379.33

Finding the Fourth Proportional to 1,341,213.42, 1,850,887.64 and 729,379.33

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Solution

The fourth proportional to 1,341,213.42, 1,850,887.64 and 729,379.33 is: 1,006,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,213.42 : 1,850,887.64 = 729,379.33 : x
  2. Step 2: Convert to fraction form
    1,341,213.42/1,850,887.64 = 729,379.33/x
  3. Step 3: Cross multiply
    1,341,213.42x = 1,850,887.64 × 729,379.33
  4. Step 4: Simplify right side
    1,341,213.42x = 1,349,999,186,768.48
  5. Step 5: Solve for x
    x = 1,349,999,186,768.48/1,341,213.42
  6. Step 6: Final answer
    x = 1,006,550.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.