Home / 1,103,769.63-1,522,936.02-644,623.56

Finding the Fourth Proportional to 1,103,769.63, 1,522,936.02 and 644,623.56

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Solution

The fourth proportional to 1,103,769.63, 1,522,936.02 and 644,623.56 is: 889,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,769.63 : 1,522,936.02 = 644,623.56 : x
  2. Step 2: Convert to fraction form
    1,103,769.63/1,522,936.02 = 644,623.56/x
  3. Step 3: Cross multiply
    1,103,769.63x = 1,522,936.02 × 644,623.56
  4. Step 4: Simplify right side
    1,103,769.63x = 981,720,438,864.63
  5. Step 5: Solve for x
    x = 981,720,438,864.63/1,103,769.63
  6. Step 6: Final answer
    x = 889,425.12

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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.