Home / 1,020,893.64-1,531,960.11-381,662.70

Finding the Fourth Proportional to 1,020,893.64, 1,531,960.11 and 381,662.70

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Solution

The fourth proportional to 1,020,893.64, 1,531,960.11 and 381,662.70 is: 572,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,893.64 : 1,531,960.11 = 381,662.70 : x
  2. Step 2: Convert to fraction form
    1,020,893.64/1,531,960.11 = 381,662.70/x
  3. Step 3: Cross multiply
    1,020,893.64x = 1,531,960.11 × 381,662.70
  4. Step 4: Simplify right side
    1,020,893.64x = 584,692,031,874.90
  5. Step 5: Solve for x
    x = 584,692,031,874.90/1,020,893.64
  6. Step 6: Final answer
    x = 572,725.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.