Home / 1,083,946.40-1,622,809.20-664,042.40

Finding the Fourth Proportional to 1,083,946.40, 1,622,809.20 and 664,042.40

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Solution

The fourth proportional to 1,083,946.40, 1,622,809.20 and 664,042.40 is: 994,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,946.40 : 1,622,809.20 = 664,042.40 : x
  2. Step 2: Convert to fraction form
    1,083,946.40/1,622,809.20 = 664,042.40/x
  3. Step 3: Cross multiply
    1,083,946.40x = 1,622,809.20 × 664,042.40
  4. Step 4: Simplify right side
    1,083,946.40x = 1,077,614,115,910.08
  5. Step 5: Solve for x
    x = 1,077,614,115,910.08/1,083,946.40
  6. Step 6: Final answer
    x = 994,158.12

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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.