Home / 1,103,476.71-1,522,749.26-644,633.79

Finding the Fourth Proportional to 1,103,476.71, 1,522,749.26 and 644,633.79

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Solution

The fourth proportional to 1,103,476.71, 1,522,749.26 and 644,633.79 is: 889,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,476.71 : 1,522,749.26 = 644,633.79 : x
  2. Step 2: Convert to fraction form
    1,103,476.71/1,522,749.26 = 644,633.79/x
  3. Step 3: Cross multiply
    1,103,476.71x = 1,522,749.26 × 644,633.79
  4. Step 4: Simplify right side
    1,103,476.71x = 981,615,623,470.33
  5. Step 5: Solve for x
    x = 981,615,623,470.33/1,103,476.71
  6. Step 6: Final answer
    x = 889,566.24

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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.