Home / 1,102,146.75-1,521,679.77-672,675.84

Finding the Fourth Proportional to 1,102,146.75, 1,521,679.77 and 672,675.84

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Solution

The fourth proportional to 1,102,146.75, 1,521,679.77 and 672,675.84 is: 928,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,146.75 : 1,521,679.77 = 672,675.84 : x
  2. Step 2: Convert to fraction form
    1,102,146.75/1,521,679.77 = 672,675.84/x
  3. Step 3: Cross multiply
    1,102,146.75x = 1,521,679.77 × 672,675.84
  4. Step 4: Simplify right side
    1,102,146.75x = 1,023,597,217,495.76
  5. Step 5: Solve for x
    x = 1,023,597,217,495.76/1,102,146.75
  6. Step 6: Final answer
    x = 928,730.42

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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.