Home / 860,031.39-1,282,790.67-746,821.34

Finding the Fourth Proportional to 860,031.39, 1,282,790.67 and 746,821.34

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Solution

The fourth proportional to 860,031.39, 1,282,790.67 and 746,821.34 is: 1,113,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,031.39 : 1,282,790.67 = 746,821.34 : x
  2. Step 2: Convert to fraction form
    860,031.39/1,282,790.67 = 746,821.34/x
  3. Step 3: Cross multiply
    860,031.39x = 1,282,790.67 × 746,821.34
  4. Step 4: Simplify right side
    860,031.39x = 958,015,440,694.94
  5. Step 5: Solve for x
    x = 958,015,440,694.94/860,031.39
  6. Step 6: Final answer
    x = 1,113,930.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.