Home / 1,189,734.50-1,780,836.98-762,699.67

Finding the Fourth Proportional to 1,189,734.50, 1,780,836.98 and 762,699.67

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Solution

The fourth proportional to 1,189,734.50, 1,780,836.98 and 762,699.67 is: 1,141,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,734.50 : 1,780,836.98 = 762,699.67 : x
  2. Step 2: Convert to fraction form
    1,189,734.50/1,780,836.98 = 762,699.67/x
  3. Step 3: Cross multiply
    1,189,734.50x = 1,780,836.98 × 762,699.67
  4. Step 4: Simplify right side
    1,189,734.50x = 1,358,243,768,704.21
  5. Step 5: Solve for x
    x = 1,358,243,768,704.21/1,189,734.50
  6. Step 6: Final answer
    x = 1,141,636.03

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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.