Home / 1,216,324.43-1,678,562.75-672,495.32

Finding the Fourth Proportional to 1,216,324.43, 1,678,562.75 and 672,495.32

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Solution

The fourth proportional to 1,216,324.43, 1,678,562.75 and 672,495.32 is: 928,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,324.43 : 1,678,562.75 = 672,495.32 : x
  2. Step 2: Convert to fraction form
    1,216,324.43/1,678,562.75 = 672,495.32/x
  3. Step 3: Cross multiply
    1,216,324.43x = 1,678,562.75 × 672,495.32
  4. Step 4: Simplify right side
    1,216,324.43x = 1,128,825,594,535.26
  5. Step 5: Solve for x
    x = 1,128,825,594,535.26/1,216,324.43
  6. Step 6: Final answer
    x = 928,062.92

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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.