Home / 1,680,774.60-2,523,786.30-972,186.60

Finding the Fourth Proportional to 1,680,774.60, 2,523,786.30 and 972,186.60

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Solution

The fourth proportional to 1,680,774.60, 2,523,786.30 and 972,186.60 is: 1,459,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,774.60 : 2,523,786.30 = 972,186.60 : x
  2. Step 2: Convert to fraction form
    1,680,774.60/2,523,786.30 = 972,186.60/x
  3. Step 3: Cross multiply
    1,680,774.60x = 2,523,786.30 × 972,186.60
  4. Step 4: Simplify right side
    1,680,774.60x = 2,453,591,222,123.58
  5. Step 5: Solve for x
    x = 2,453,591,222,123.58/1,680,774.60
  6. Step 6: Final answer
    x = 1,459,797.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.