Home / 1,099,370.32-1,517,429.64-646,807.12

Finding the Fourth Proportional to 1,099,370.32, 1,517,429.64 and 646,807.12

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Solution

The fourth proportional to 1,099,370.32, 1,517,429.64 and 646,807.12 is: 892,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,370.32 : 1,517,429.64 = 646,807.12 : x
  2. Step 2: Convert to fraction form
    1,099,370.32/1,517,429.64 = 646,807.12/x
  3. Step 3: Cross multiply
    1,099,370.32x = 1,517,429.64 × 646,807.12
  4. Step 4: Simplify right side
    1,099,370.32x = 981,484,295,251.04
  5. Step 5: Solve for x
    x = 981,484,295,251.04/1,099,370.32
  6. Step 6: Final answer
    x = 892,769.50

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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.