Home / 1,090,649.34-1,504,706.46-631,513.26

Finding the Fourth Proportional to 1,090,649.34, 1,504,706.46 and 631,513.26

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Solution

The fourth proportional to 1,090,649.34, 1,504,706.46 and 631,513.26 is: 871,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,649.34 : 1,504,706.46 = 631,513.26 : x
  2. Step 2: Convert to fraction form
    1,090,649.34/1,504,706.46 = 631,513.26/x
  3. Step 3: Cross multiply
    1,090,649.34x = 1,504,706.46 × 631,513.26
  4. Step 4: Simplify right side
    1,090,649.34x = 950,242,081,897.66
  5. Step 5: Solve for x
    x = 950,242,081,897.66/1,090,649.34
  6. Step 6: Final answer
    x = 871,262.69

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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.