Home / 1,216,940.70-1,821,911.85-744,548.70

Finding the Fourth Proportional to 1,216,940.70, 1,821,911.85 and 744,548.70

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Solution

The fourth proportional to 1,216,940.70, 1,821,911.85 and 744,548.70 is: 1,114,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,940.70 : 1,821,911.85 = 744,548.70 : x
  2. Step 2: Convert to fraction form
    1,216,940.70/1,821,911.85 = 744,548.70/x
  3. Step 3: Cross multiply
    1,216,940.70x = 1,821,911.85 × 744,548.70
  4. Step 4: Simplify right side
    1,216,940.70x = 1,356,502,099,432.10
  5. Step 5: Solve for x
    x = 1,356,502,099,432.10/1,216,940.70
  6. Step 6: Final answer
    x = 1,114,682.17

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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.