Home / 1,820,135.70-2,731,187.70-755,285.40

Finding the Fourth Proportional to 1,820,135.70, 2,731,187.70 and 755,285.40

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Solution

The fourth proportional to 1,820,135.70, 2,731,187.70 and 755,285.40 is: 1,133,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,135.70 : 2,731,187.70 = 755,285.40 : x
  2. Step 2: Convert to fraction form
    1,820,135.70/2,731,187.70 = 755,285.40/x
  3. Step 3: Cross multiply
    1,820,135.70x = 2,731,187.70 × 755,285.40
  4. Step 4: Simplify right side
    1,820,135.70x = 2,062,826,194,469.58
  5. Step 5: Solve for x
    x = 2,062,826,194,469.58/1,820,135.70
  6. Step 6: Final answer
    x = 1,133,336.48

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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.