Home / 851,454.59-1,173,786.39-669,851.17

Finding the Fourth Proportional to 851,454.59, 1,173,786.39 and 669,851.17

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Solution

The fourth proportional to 851,454.59, 1,173,786.39 and 669,851.17 is: 923,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,454.59 : 1,173,786.39 = 669,851.17 : x
  2. Step 2: Convert to fraction form
    851,454.59/1,173,786.39 = 669,851.17/x
  3. Step 3: Cross multiply
    851,454.59x = 1,173,786.39 × 669,851.17
  4. Step 4: Simplify right side
    851,454.59x = 786,262,183,737.11
  5. Step 5: Solve for x
    x = 786,262,183,737.11/851,454.59
  6. Step 6: Final answer
    x = 923,434.08

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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.