Home / 1,201,034.88-1,657,402.56-657,168.48

Finding the Fourth Proportional to 1,201,034.88, 1,657,402.56 and 657,168.48

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Solution

The fourth proportional to 1,201,034.88, 1,657,402.56 and 657,168.48 is: 906,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,034.88 : 1,657,402.56 = 657,168.48 : x
  2. Step 2: Convert to fraction form
    1,201,034.88/1,657,402.56 = 657,168.48/x
  3. Step 3: Cross multiply
    1,201,034.88x = 1,657,402.56 × 657,168.48
  4. Step 4: Simplify right side
    1,201,034.88x = 1,089,192,721,103.31
  5. Step 5: Solve for x
    x = 1,089,192,721,103.31/1,201,034.88
  6. Step 6: Final answer
    x = 906,878.51

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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.