Home / 1,210,042.49-1,814,640.30-356,887.67

Finding the Fourth Proportional to 1,210,042.49, 1,814,640.30 and 356,887.67

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Solution

The fourth proportional to 1,210,042.49, 1,814,640.30 and 356,887.67 is: 535,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,042.49 : 1,814,640.30 = 356,887.67 : x
  2. Step 2: Convert to fraction form
    1,210,042.49/1,814,640.30 = 356,887.67/x
  3. Step 3: Cross multiply
    1,210,042.49x = 1,814,640.30 × 356,887.67
  4. Step 4: Simplify right side
    1,210,042.49x = 647,622,739,481.90
  5. Step 5: Solve for x
    x = 647,622,739,481.90/1,210,042.49
  6. Step 6: Final answer
    x = 535,206.61

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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.