Home / 1,369,961.43-1,890,500.20-758,139.96

Finding the Fourth Proportional to 1,369,961.43, 1,890,500.20 and 758,139.96

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Solution

The fourth proportional to 1,369,961.43, 1,890,500.20 and 758,139.96 is: 1,046,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,961.43 : 1,890,500.20 = 758,139.96 : x
  2. Step 2: Convert to fraction form
    1,369,961.43/1,890,500.20 = 758,139.96/x
  3. Step 3: Cross multiply
    1,369,961.43x = 1,890,500.20 × 758,139.96
  4. Step 4: Simplify right side
    1,369,961.43x = 1,433,263,746,007.99
  5. Step 5: Solve for x
    x = 1,433,263,746,007.99/1,369,961.43
  6. Step 6: Final answer
    x = 1,046,207.37

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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.