Home / 1,272,995.98-1,761,360.48-1,109,992.16

Finding the Fourth Proportional to 1,272,995.98, 1,761,360.48 and 1,109,992.16

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Solution

The fourth proportional to 1,272,995.98, 1,761,360.48 and 1,109,992.16 is: 1,535,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,995.98 : 1,761,360.48 = 1,109,992.16 : x
  2. Step 2: Convert to fraction form
    1,272,995.98/1,761,360.48 = 1,109,992.16/x
  3. Step 3: Cross multiply
    1,272,995.98x = 1,761,360.48 × 1,109,992.16
  4. Step 4: Simplify right side
    1,272,995.98x = 1,955,096,323,733.84
  5. Step 5: Solve for x
    x = 1,955,096,323,733.84/1,272,995.98
  6. Step 6: Final answer
    x = 1,535,822.86

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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.