Home / 1,115,917.46-1,673,245.81-1,020,700.88

Finding the Fourth Proportional to 1,115,917.46, 1,673,245.81 and 1,020,700.88

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Solution

The fourth proportional to 1,115,917.46, 1,673,245.81 and 1,020,700.88 is: 1,530,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,917.46 : 1,673,245.81 = 1,020,700.88 : x
  2. Step 2: Convert to fraction form
    1,115,917.46/1,673,245.81 = 1,020,700.88/x
  3. Step 3: Cross multiply
    1,115,917.46x = 1,673,245.81 × 1,020,700.88
  4. Step 4: Simplify right side
    1,115,917.46x = 1,707,883,465,619.81
  5. Step 5: Solve for x
    x = 1,707,883,465,619.81/1,115,917.46
  6. Step 6: Final answer
    x = 1,530,474.72

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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.