Home / 1,103,471.96-1,522,742.70-644,629.01

Finding the Fourth Proportional to 1,103,471.96, 1,522,742.70 and 644,629.01

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Solution

The fourth proportional to 1,103,471.96, 1,522,742.70 and 644,629.01 is: 889,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,471.96 : 1,522,742.70 = 644,629.01 : x
  2. Step 2: Convert to fraction form
    1,103,471.96/1,522,742.70 = 644,629.01/x
  3. Step 3: Cross multiply
    1,103,471.96x = 1,522,742.70 × 644,629.01
  4. Step 4: Simplify right side
    1,103,471.96x = 981,604,119,185.73
  5. Step 5: Solve for x
    x = 981,604,119,185.73/1,103,471.96
  6. Step 6: Final answer
    x = 889,559.64

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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.