Home / 1,096,214.40-1,512,692.28-666,434.88

Finding the Fourth Proportional to 1,096,214.40, 1,512,692.28 and 666,434.88

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Solution

The fourth proportional to 1,096,214.40, 1,512,692.28 and 666,434.88 is: 919,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,214.40 : 1,512,692.28 = 666,434.88 : x
  2. Step 2: Convert to fraction form
    1,096,214.40/1,512,692.28 = 666,434.88/x
  3. Step 3: Cross multiply
    1,096,214.40x = 1,512,692.28 × 666,434.88
  4. Step 4: Simplify right side
    1,096,214.40x = 1,008,110,898,098.73
  5. Step 5: Solve for x
    x = 1,008,110,898,098.73/1,096,214.40
  6. Step 6: Final answer
    x = 919,629.32

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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.