Home / 1,103,484.96-1,522,760.67-644,642.01

Finding the Fourth Proportional to 1,103,484.96, 1,522,760.67 and 644,642.01

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Solution

The fourth proportional to 1,103,484.96, 1,522,760.67 and 644,642.01 is: 889,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,484.96 : 1,522,760.67 = 644,642.01 : x
  2. Step 2: Convert to fraction form
    1,103,484.96/1,522,760.67 = 644,642.01/x
  3. Step 3: Cross multiply
    1,103,484.96x = 1,522,760.67 × 644,642.01
  4. Step 4: Simplify right side
    1,103,484.96x = 981,635,499,057.75
  5. Step 5: Solve for x
    x = 981,635,499,057.75/1,103,484.96
  6. Step 6: Final answer
    x = 889,577.60

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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.