Home / 1,110,164.62-1,532,064.28-680,361.70

Finding the Fourth Proportional to 1,110,164.62, 1,532,064.28 and 680,361.70

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Solution

The fourth proportional to 1,110,164.62, 1,532,064.28 and 680,361.70 is: 938,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,164.62 : 1,532,064.28 = 680,361.70 : x
  2. Step 2: Convert to fraction form
    1,110,164.62/1,532,064.28 = 680,361.70/x
  3. Step 3: Cross multiply
    1,110,164.62x = 1,532,064.28 × 680,361.70
  4. Step 4: Simplify right side
    1,110,164.62x = 1,042,357,858,050.08
  5. Step 5: Solve for x
    x = 1,042,357,858,050.08/1,110,164.62
  6. Step 6: Final answer
    x = 938,921.89

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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.