Home / 1,216,349.10-1,678,489.52-672,452.37

Finding the Fourth Proportional to 1,216,349.10, 1,678,489.52 and 672,452.37

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Solution

The fourth proportional to 1,216,349.10, 1,678,489.52 and 672,452.37 is: 927,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,349.10 : 1,678,489.52 = 672,452.37 : x
  2. Step 2: Convert to fraction form
    1,216,349.10/1,678,489.52 = 672,452.37/x
  3. Step 3: Cross multiply
    1,216,349.10x = 1,678,489.52 × 672,452.37
  4. Step 4: Simplify right side
    1,216,349.10x = 1,128,704,252,381.90
  5. Step 5: Solve for x
    x = 1,128,704,252,381.90/1,216,349.10
  6. Step 6: Final answer
    x = 927,944.33

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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.