Home / 1,151,510.58-1,727,265.87-1,120,017.78

Finding the Fourth Proportional to 1,151,510.58, 1,727,265.87 and 1,120,017.78

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Solution

The fourth proportional to 1,151,510.58, 1,727,265.87 and 1,120,017.78 is: 1,680,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,510.58 : 1,727,265.87 = 1,120,017.78 : x
  2. Step 2: Convert to fraction form
    1,151,510.58/1,727,265.87 = 1,120,017.78/x
  3. Step 3: Cross multiply
    1,151,510.58x = 1,727,265.87 × 1,120,017.78
  4. Step 4: Simplify right side
    1,151,510.58x = 1,934,568,485,187.17
  5. Step 5: Solve for x
    x = 1,934,568,485,187.17/1,151,510.58
  6. Step 6: Final answer
    x = 1,680,026.67

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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.