Home / 1,727,570-2,383,897.16-1,115,749.46

Finding the Fourth Proportional to 1,727,570, 2,383,897.16 and 1,115,749.46

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Solution

The fourth proportional to 1,727,570, 2,383,897.16 and 1,115,749.46 is: 1,539,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,570 : 2,383,897.16 = 1,115,749.46 : x
  2. Step 2: Convert to fraction form
    1,727,570/2,383,897.16 = 1,115,749.46/x
  3. Step 3: Cross multiply
    1,727,570x = 2,383,897.16 × 1,115,749.46
  4. Step 4: Simplify right side
    1,727,570x = 2,659,831,968,965.53
  5. Step 5: Solve for x
    x = 2,659,831,968,965.53/1,727,570
  6. Step 6: Final answer
    x = 1,539,637.74

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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.