Home / 1,112,686.74-1,664,894.22-663,651.90

Finding the Fourth Proportional to 1,112,686.74, 1,664,894.22 and 663,651.90

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Solution

The fourth proportional to 1,112,686.74, 1,664,894.22 and 663,651.90 is: 993,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,686.74 : 1,664,894.22 = 663,651.90 : x
  2. Step 2: Convert to fraction form
    1,112,686.74/1,664,894.22 = 663,651.90/x
  3. Step 3: Cross multiply
    1,112,686.74x = 1,664,894.22 × 663,651.90
  4. Step 4: Simplify right side
    1,112,686.74x = 1,104,910,212,402.02
  5. Step 5: Solve for x
    x = 1,104,910,212,402.02/1,112,686.74
  6. Step 6: Final answer
    x = 993,011.04

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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.