Home / 1,224,815.58-1,690,149.51-680,918.27

Finding the Fourth Proportional to 1,224,815.58, 1,690,149.51 and 680,918.27

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Solution

The fourth proportional to 1,224,815.58, 1,690,149.51 and 680,918.27 is: 939,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,815.58 : 1,690,149.51 = 680,918.27 : x
  2. Step 2: Convert to fraction form
    1,224,815.58/1,690,149.51 = 680,918.27/x
  3. Step 3: Cross multiply
    1,224,815.58x = 1,690,149.51 × 680,918.27
  4. Step 4: Simplify right side
    1,224,815.58x = 1,150,853,671,939.80
  5. Step 5: Solve for x
    x = 1,150,853,671,939.80/1,224,815.58
  6. Step 6: Final answer
    x = 939,613.84

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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.