Home / 1,940,295-2,908,235.43-1,180,461.54

Finding the Fourth Proportional to 1,940,295, 2,908,235.43 and 1,180,461.54

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Solution

The fourth proportional to 1,940,295, 2,908,235.43 and 1,180,461.54 is: 1,769,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,295 : 2,908,235.43 = 1,180,461.54 : x
  2. Step 2: Convert to fraction form
    1,940,295/2,908,235.43 = 1,180,461.54/x
  3. Step 3: Cross multiply
    1,940,295x = 2,908,235.43 × 1,180,461.54
  4. Step 4: Simplify right side
    1,940,295x = 3,433,060,074,380.36
  5. Step 5: Solve for x
    x = 3,433,060,074,380.36/1,940,295
  6. Step 6: Final answer
    x = 1,769,349.54

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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.