Home / 890,977.80-1,336,466.70-681,025.80

Finding the Fourth Proportional to 890,977.80, 1,336,466.70 and 681,025.80

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Solution

The fourth proportional to 890,977.80, 1,336,466.70 and 681,025.80 is: 1,021,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,977.80 : 1,336,466.70 = 681,025.80 : x
  2. Step 2: Convert to fraction form
    890,977.80/1,336,466.70 = 681,025.80/x
  3. Step 3: Cross multiply
    890,977.80x = 1,336,466.70 × 681,025.80
  4. Step 4: Simplify right side
    890,977.80x = 910,168,303,540.86
  5. Step 5: Solve for x
    x = 910,168,303,540.86/890,977.80
  6. Step 6: Final answer
    x = 1,021,538.70

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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.