Home / 1,109,939.34-1,531,716.30-600,641.72

Finding the Fourth Proportional to 1,109,939.34, 1,531,716.30 and 600,641.72

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Solution

The fourth proportional to 1,109,939.34, 1,531,716.30 and 600,641.72 is: 828,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,939.34 : 1,531,716.30 = 600,641.72 : x
  2. Step 2: Convert to fraction form
    1,109,939.34/1,531,716.30 = 600,641.72/x
  3. Step 3: Cross multiply
    1,109,939.34x = 1,531,716.30 × 600,641.72
  4. Step 4: Simplify right side
    1,109,939.34x = 920,012,709,380.09
  5. Step 5: Solve for x
    x = 920,012,709,380.09/1,109,939.34
  6. Step 6: Final answer
    x = 828,885.57

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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.