Home / 866,494.80-1,299,742.20-729,637.20

Finding the Fourth Proportional to 866,494.80, 1,299,742.20 and 729,637.20

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Solution

The fourth proportional to 866,494.80, 1,299,742.20 and 729,637.20 is: 1,094,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,494.80 : 1,299,742.20 = 729,637.20 : x
  2. Step 2: Convert to fraction form
    866,494.80/1,299,742.20 = 729,637.20/x
  3. Step 3: Cross multiply
    866,494.80x = 1,299,742.20 × 729,637.20
  4. Step 4: Simplify right side
    866,494.80x = 948,340,259,529.84
  5. Step 5: Solve for x
    x = 948,340,259,529.84/866,494.80
  6. Step 6: Final answer
    x = 1,094,455.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.