Home / 1,310,706.17-1,808,659.26-729,885.44

Finding the Fourth Proportional to 1,310,706.17, 1,808,659.26 and 729,885.44

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Solution

The fourth proportional to 1,310,706.17, 1,808,659.26 and 729,885.44 is: 1,007,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,706.17 : 1,808,659.26 = 729,885.44 : x
  2. Step 2: Convert to fraction form
    1,310,706.17/1,808,659.26 = 729,885.44/x
  3. Step 3: Cross multiply
    1,310,706.17x = 1,808,659.26 × 729,885.44
  4. Step 4: Simplify right side
    1,310,706.17x = 1,320,114,050,751.88
  5. Step 5: Solve for x
    x = 1,320,114,050,751.88/1,310,706.17
  6. Step 6: Final answer
    x = 1,007,177.72

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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.