Home / 1,383,730.90-1,909,596.06-802,910.27

Finding the Fourth Proportional to 1,383,730.90, 1,909,596.06 and 802,910.27

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Solution

The fourth proportional to 1,383,730.90, 1,909,596.06 and 802,910.27 is: 1,108,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,730.90 : 1,909,596.06 = 802,910.27 : x
  2. Step 2: Convert to fraction form
    1,383,730.90/1,909,596.06 = 802,910.27/x
  3. Step 3: Cross multiply
    1,383,730.90x = 1,909,596.06 × 802,910.27
  4. Step 4: Simplify right side
    1,383,730.90x = 1,533,234,292,899.53
  5. Step 5: Solve for x
    x = 1,533,234,292,899.53/1,383,730.90
  6. Step 6: Final answer
    x = 1,108,043.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.