Home / 1,430,861.64-2,144,693.76-620,310.30

Finding the Fourth Proportional to 1,430,861.64, 2,144,693.76 and 620,310.30

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Solution

The fourth proportional to 1,430,861.64, 2,144,693.76 and 620,310.30 is: 929,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,861.64 : 2,144,693.76 = 620,310.30 : x
  2. Step 2: Convert to fraction form
    1,430,861.64/2,144,693.76 = 620,310.30/x
  3. Step 3: Cross multiply
    1,430,861.64x = 2,144,693.76 × 620,310.30
  4. Step 4: Simplify right side
    1,430,861.64x = 1,330,375,629,673.73
  5. Step 5: Solve for x
    x = 1,330,375,629,673.73/1,430,861.64
  6. Step 6: Final answer
    x = 929,772.38

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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.