Home / 1,216,107.18-1,678,549.32-699,924.60

Finding the Fourth Proportional to 1,216,107.18, 1,678,549.32 and 699,924.60

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Solution

The fourth proportional to 1,216,107.18, 1,678,549.32 and 699,924.60 is: 966,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,107.18 : 1,678,549.32 = 699,924.60 : x
  2. Step 2: Convert to fraction form
    1,216,107.18/1,678,549.32 = 699,924.60/x
  3. Step 3: Cross multiply
    1,216,107.18x = 1,678,549.32 × 699,924.60
  4. Step 4: Simplify right side
    1,216,107.18x = 1,174,857,961,381.27
  5. Step 5: Solve for x
    x = 1,174,857,961,381.27/1,216,107.18
  6. Step 6: Final answer
    x = 966,080.93

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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.