Home / 1,274,126.88-1,909,089.72-740,148.96

Finding the Fourth Proportional to 1,274,126.88, 1,909,089.72 and 740,148.96

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Solution

The fourth proportional to 1,274,126.88, 1,909,089.72 and 740,148.96 is: 1,109,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,126.88 : 1,909,089.72 = 740,148.96 : x
  2. Step 2: Convert to fraction form
    1,274,126.88/1,909,089.72 = 740,148.96/x
  3. Step 3: Cross multiply
    1,274,126.88x = 1,909,089.72 × 740,148.96
  4. Step 4: Simplify right side
    1,274,126.88x = 1,413,010,770,804.69
  5. Step 5: Solve for x
    x = 1,413,010,770,804.69/1,274,126.88
  6. Step 6: Final answer
    x = 1,109,003.19

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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.