Home / 1,090,655.31-1,504,714.77-631,519.23

Finding the Fourth Proportional to 1,090,655.31, 1,504,714.77 and 631,519.23

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Solution

The fourth proportional to 1,090,655.31, 1,504,714.77 and 631,519.23 is: 871,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,655.31 : 1,504,714.77 = 631,519.23 : x
  2. Step 2: Convert to fraction form
    1,090,655.31/1,504,714.77 = 631,519.23/x
  3. Step 3: Cross multiply
    1,090,655.31x = 1,504,714.77 × 631,519.23
  4. Step 4: Simplify right side
    1,090,655.31x = 950,256,312,920.03
  5. Step 5: Solve for x
    x = 950,256,312,920.03/1,090,655.31
  6. Step 6: Final answer
    x = 871,270.97

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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.