Home / 1,348,266-2,022,989.40-638,801.04

Finding the Fourth Proportional to 1,348,266, 2,022,989.40 and 638,801.04

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Solution

The fourth proportional to 1,348,266, 2,022,989.40 and 638,801.04 is: 958,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,266 : 2,022,989.40 = 638,801.04 : x
  2. Step 2: Convert to fraction form
    1,348,266/2,022,989.40 = 638,801.04/x
  3. Step 3: Cross multiply
    1,348,266x = 2,022,989.40 × 638,801.04
  4. Step 4: Simplify right side
    1,348,266x = 1,292,287,732,628.98
  5. Step 5: Solve for x
    x = 1,292,287,732,628.98/1,348,266
  6. Step 6: Final answer
    x = 958,481.29

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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.