Home / 1,619,685-2,235,165.48-940,665.24

Finding the Fourth Proportional to 1,619,685, 2,235,165.48 and 940,665.24

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Solution

The fourth proportional to 1,619,685, 2,235,165.48 and 940,665.24 is: 1,298,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,685 : 2,235,165.48 = 940,665.24 : x
  2. Step 2: Convert to fraction form
    1,619,685/2,235,165.48 = 940,665.24/x
  3. Step 3: Cross multiply
    1,619,685x = 2,235,165.48 × 940,665.24
  4. Step 4: Simplify right side
    1,619,685x = 2,102,542,472,683.92
  5. Step 5: Solve for x
    x = 2,102,542,472,683.92/1,619,685
  6. Step 6: Final answer
    x = 1,298,118.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.