Home / 1,781,015.76-2,457,810.27-965,221.02

Finding the Fourth Proportional to 1,781,015.76, 2,457,810.27 and 965,221.02

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Solution

The fourth proportional to 1,781,015.76, 2,457,810.27 and 965,221.02 is: 1,332,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,015.76 : 2,457,810.27 = 965,221.02 : x
  2. Step 2: Convert to fraction form
    1,781,015.76/2,457,810.27 = 965,221.02/x
  3. Step 3: Cross multiply
    1,781,015.76x = 2,457,810.27 × 965,221.02
  4. Step 4: Simplify right side
    1,781,015.76x = 2,372,330,135,775.88
  5. Step 5: Solve for x
    x = 2,372,330,135,775.88/1,781,015.76
  6. Step 6: Final answer
    x = 1,332,009.63

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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.