Home / 860,051.68-1,290,126.74-261,032.38

Finding the Fourth Proportional to 860,051.68, 1,290,126.74 and 261,032.38

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Solution

The fourth proportional to 860,051.68, 1,290,126.74 and 261,032.38 is: 391,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,051.68 : 1,290,126.74 = 261,032.38 : x
  2. Step 2: Convert to fraction form
    860,051.68/1,290,126.74 = 261,032.38/x
  3. Step 3: Cross multiply
    860,051.68x = 1,290,126.74 × 261,032.38
  4. Step 4: Simplify right side
    860,051.68x = 336,764,853,443.84
  5. Step 5: Solve for x
    x = 336,764,853,443.84/860,051.68
  6. Step 6: Final answer
    x = 391,563.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.