Home / 1,084,221.90-1,625,166.45-410,042.70

Finding the Fourth Proportional to 1,084,221.90, 1,625,166.45 and 410,042.70

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Solution

The fourth proportional to 1,084,221.90, 1,625,166.45 and 410,042.70 is: 614,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,221.90 : 1,625,166.45 = 410,042.70 : x
  2. Step 2: Convert to fraction form
    1,084,221.90/1,625,166.45 = 410,042.70/x
  3. Step 3: Cross multiply
    1,084,221.90x = 1,625,166.45 × 410,042.70
  4. Step 4: Simplify right side
    1,084,221.90x = 666,387,639,107.42
  5. Step 5: Solve for x
    x = 666,387,639,107.42/1,084,221.90
  6. Step 6: Final answer
    x = 614,622.93

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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.