Home / 1,764,650.34-2,435,469.93-990,363.78

Finding the Fourth Proportional to 1,764,650.34, 2,435,469.93 and 990,363.78

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Solution

The fourth proportional to 1,764,650.34, 2,435,469.93 and 990,363.78 is: 1,366,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,650.34 : 2,435,469.93 = 990,363.78 : x
  2. Step 2: Convert to fraction form
    1,764,650.34/2,435,469.93 = 990,363.78/x
  3. Step 3: Cross multiply
    1,764,650.34x = 2,435,469.93 × 990,363.78
  4. Step 4: Simplify right side
    1,764,650.34x = 2,412,001,205,951.14
  5. Step 5: Solve for x
    x = 2,412,001,205,951.14/1,764,650.34
  6. Step 6: Final answer
    x = 1,366,843.70

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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.