Home / 1,103,727.26-1,522,801.29-644,510.57

Finding the Fourth Proportional to 1,103,727.26, 1,522,801.29 and 644,510.57

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Solution

The fourth proportional to 1,103,727.26, 1,522,801.29 and 644,510.57 is: 889,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,727.26 : 1,522,801.29 = 644,510.57 : x
  2. Step 2: Convert to fraction form
    1,103,727.26/1,522,801.29 = 644,510.57/x
  3. Step 3: Cross multiply
    1,103,727.26x = 1,522,801.29 × 644,510.57
  4. Step 4: Simplify right side
    1,103,727.26x = 981,461,519,800.63
  5. Step 5: Solve for x
    x = 981,461,519,800.63/1,103,727.26
  6. Step 6: Final answer
    x = 889,224.68

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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.