Home / 1,216,163.52-1,678,294.50-672,313.32

Finding the Fourth Proportional to 1,216,163.52, 1,678,294.50 and 672,313.32

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Solution

The fourth proportional to 1,216,163.52, 1,678,294.50 and 672,313.32 is: 927,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,163.52 : 1,678,294.50 = 672,313.32 : x
  2. Step 2: Convert to fraction form
    1,216,163.52/1,678,294.50 = 672,313.32/x
  3. Step 3: Cross multiply
    1,216,163.52x = 1,678,294.50 × 672,313.32
  4. Step 4: Simplify right side
    1,216,163.52x = 1,128,339,747,232.74
  5. Step 5: Solve for x
    x = 1,128,339,747,232.74/1,216,163.52
  6. Step 6: Final answer
    x = 927,786.21

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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.