Home / 1,108,447.10-1,660,337.85-921,823.10

Finding the Fourth Proportional to 1,108,447.10, 1,660,337.85 and 921,823.10

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Solution

The fourth proportional to 1,108,447.10, 1,660,337.85 and 921,823.10 is: 1,380,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,447.10 : 1,660,337.85 = 921,823.10 : x
  2. Step 2: Convert to fraction form
    1,108,447.10/1,660,337.85 = 921,823.10/x
  3. Step 3: Cross multiply
    1,108,447.10x = 1,660,337.85 × 921,823.10
  4. Step 4: Simplify right side
    1,108,447.10x = 1,530,537,783,934.34
  5. Step 5: Solve for x
    x = 1,530,537,783,934.34/1,108,447.10
  6. Step 6: Final answer
    x = 1,380,794.61

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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.