Home / 1,008,049.45-1,512,074.18-830,756.65

Finding the Fourth Proportional to 1,008,049.45, 1,512,074.18 and 830,756.65

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Solution

The fourth proportional to 1,008,049.45, 1,512,074.18 and 830,756.65 is: 1,246,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,049.45 : 1,512,074.18 = 830,756.65 : x
  2. Step 2: Convert to fraction form
    1,008,049.45/1,512,074.18 = 830,756.65/x
  3. Step 3: Cross multiply
    1,008,049.45x = 1,512,074.18 × 830,756.65
  4. Step 4: Simplify right side
    1,008,049.45x = 1,256,165,676,174.51
  5. Step 5: Solve for x
    x = 1,256,165,676,174.51/1,008,049.45
  6. Step 6: Final answer
    x = 1,246,134.98

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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.