Home / 1,131,852.07-1,561,886.31-648,306.37

Finding the Fourth Proportional to 1,131,852.07, 1,561,886.31 and 648,306.37

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Solution

The fourth proportional to 1,131,852.07, 1,561,886.31 and 648,306.37 is: 894,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,852.07 : 1,561,886.31 = 648,306.37 : x
  2. Step 2: Convert to fraction form
    1,131,852.07/1,561,886.31 = 648,306.37/x
  3. Step 3: Cross multiply
    1,131,852.07x = 1,561,886.31 × 648,306.37
  4. Step 4: Simplify right side
    1,131,852.07x = 1,012,580,843,988.79
  5. Step 5: Solve for x
    x = 1,012,580,843,988.79/1,131,852.07
  6. Step 6: Final answer
    x = 894,622.96

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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.