Home / 1,296,961.12-1,946,628.20-657,706.02

Finding the Fourth Proportional to 1,296,961.12, 1,946,628.20 and 657,706.02

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Solution

The fourth proportional to 1,296,961.12, 1,946,628.20 and 657,706.02 is: 987,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,961.12 : 1,946,628.20 = 657,706.02 : x
  2. Step 2: Convert to fraction form
    1,296,961.12/1,946,628.20 = 657,706.02/x
  3. Step 3: Cross multiply
    1,296,961.12x = 1,946,628.20 × 657,706.02
  4. Step 4: Simplify right side
    1,296,961.12x = 1,280,309,085,841.76
  5. Step 5: Solve for x
    x = 1,280,309,085,841.76/1,296,961.12
  6. Step 6: Final answer
    x = 987,160.73

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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.