Home / 1,313,741.70-1,969,695.63-672,800.04

Finding the Fourth Proportional to 1,313,741.70, 1,969,695.63 and 672,800.04

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Solution

The fourth proportional to 1,313,741.70, 1,969,695.63 and 672,800.04 is: 1,008,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,741.70 : 1,969,695.63 = 672,800.04 : x
  2. Step 2: Convert to fraction form
    1,313,741.70/1,969,695.63 = 672,800.04/x
  3. Step 3: Cross multiply
    1,313,741.70x = 1,969,695.63 × 672,800.04
  4. Step 4: Simplify right side
    1,313,741.70x = 1,325,211,298,651.83
  5. Step 5: Solve for x
    x = 1,325,211,298,651.83/1,313,741.70
  6. Step 6: Final answer
    x = 1,008,730.48

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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.