Home / 1,134,559.10-1,565,416.58-644,419.56

Finding the Fourth Proportional to 1,134,559.10, 1,565,416.58 and 644,419.56

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Solution

The fourth proportional to 1,134,559.10, 1,565,416.58 and 644,419.56 is: 889,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,559.10 : 1,565,416.58 = 644,419.56 : x
  2. Step 2: Convert to fraction form
    1,134,559.10/1,565,416.58 = 644,419.56/x
  3. Step 3: Cross multiply
    1,134,559.10x = 1,565,416.58 × 644,419.56
  4. Step 4: Simplify right side
    1,134,559.10x = 1,008,785,063,700.31
  5. Step 5: Solve for x
    x = 1,008,785,063,700.31/1,134,559.10
  6. Step 6: Final answer
    x = 889,142.81

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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.