Home / 1,521,211.70-2,099,188.90-832,750.40

Finding the Fourth Proportional to 1,521,211.70, 2,099,188.90 and 832,750.40

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Solution

The fourth proportional to 1,521,211.70, 2,099,188.90 and 832,750.40 is: 1,149,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,211.70 : 2,099,188.90 = 832,750.40 : x
  2. Step 2: Convert to fraction form
    1,521,211.70/2,099,188.90 = 832,750.40/x
  3. Step 3: Cross multiply
    1,521,211.70x = 2,099,188.90 × 832,750.40
  4. Step 4: Simplify right side
    1,521,211.70x = 1,748,100,396,150.56
  5. Step 5: Solve for x
    x = 1,748,100,396,150.56/1,521,211.70
  6. Step 6: Final answer
    x = 1,149,149.98

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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.