Home / 1,204,532.16-1,662,204.48-720,811.68

Finding the Fourth Proportional to 1,204,532.16, 1,662,204.48 and 720,811.68

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Solution

The fourth proportional to 1,204,532.16, 1,662,204.48 and 720,811.68 is: 994,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,532.16 : 1,662,204.48 = 720,811.68 : x
  2. Step 2: Convert to fraction form
    1,204,532.16/1,662,204.48 = 720,811.68/x
  3. Step 3: Cross multiply
    1,204,532.16x = 1,662,204.48 × 720,811.68
  4. Step 4: Simplify right side
    1,204,532.16x = 1,198,136,403,732.33
  5. Step 5: Solve for x
    x = 1,198,136,403,732.33/1,204,532.16
  6. Step 6: Final answer
    x = 994,690.26

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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.