Home / 1,660,867.95-2,291,997.75-896,921.46

Finding the Fourth Proportional to 1,660,867.95, 2,291,997.75 and 896,921.46

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Solution

The fourth proportional to 1,660,867.95, 2,291,997.75 and 896,921.46 is: 1,237,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,867.95 : 2,291,997.75 = 896,921.46 : x
  2. Step 2: Convert to fraction form
    1,660,867.95/2,291,997.75 = 896,921.46/x
  3. Step 3: Cross multiply
    1,660,867.95x = 2,291,997.75 × 896,921.46
  4. Step 4: Simplify right side
    1,660,867.95x = 2,055,741,968,246.72
  5. Step 5: Solve for x
    x = 2,055,741,968,246.72/1,660,867.95
  6. Step 6: Final answer
    x = 1,237,751.60

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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.