Home / 1,255,071.48-1,732,012.06-682,111.68

Finding the Fourth Proportional to 1,255,071.48, 1,732,012.06 and 682,111.68

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Solution

The fourth proportional to 1,255,071.48, 1,732,012.06 and 682,111.68 is: 941,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,071.48 : 1,732,012.06 = 682,111.68 : x
  2. Step 2: Convert to fraction form
    1,255,071.48/1,732,012.06 = 682,111.68/x
  3. Step 3: Cross multiply
    1,255,071.48x = 1,732,012.06 × 682,111.68
  4. Step 4: Simplify right side
    1,255,071.48x = 1,181,425,656,026.86
  5. Step 5: Solve for x
    x = 1,181,425,656,026.86/1,255,071.48
  6. Step 6: Final answer
    x = 941,321.41

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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.