Home / 1,070,489.70-1,605,734.55-860,537.70

Finding the Fourth Proportional to 1,070,489.70, 1,605,734.55 and 860,537.70

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Solution

The fourth proportional to 1,070,489.70, 1,605,734.55 and 860,537.70 is: 1,290,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,489.70 : 1,605,734.55 = 860,537.70 : x
  2. Step 2: Convert to fraction form
    1,070,489.70/1,605,734.55 = 860,537.70/x
  3. Step 3: Cross multiply
    1,070,489.70x = 1,605,734.55 × 860,537.70
  4. Step 4: Simplify right side
    1,070,489.70x = 1,381,795,116,467.53
  5. Step 5: Solve for x
    x = 1,381,795,116,467.53/1,070,489.70
  6. Step 6: Final answer
    x = 1,290,806.55

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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.