Home / 1,216,164.50-1,678,295.90-672,314.30

Finding the Fourth Proportional to 1,216,164.50, 1,678,295.90 and 672,314.30

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Solution

The fourth proportional to 1,216,164.50, 1,678,295.90 and 672,314.30 is: 927,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,164.50 : 1,678,295.90 = 672,314.30 : x
  2. Step 2: Convert to fraction form
    1,216,164.50/1,678,295.90 = 672,314.30/x
  3. Step 3: Cross multiply
    1,216,164.50x = 1,678,295.90 × 672,314.30
  4. Step 4: Simplify right side
    1,216,164.50x = 1,128,342,333,201.37
  5. Step 5: Solve for x
    x = 1,128,342,333,201.37/1,216,164.50
  6. Step 6: Final answer
    x = 927,787.59

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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.