Home / 1,635,940.80-2,257,576.83-947,706.48

Finding the Fourth Proportional to 1,635,940.80, 2,257,576.83 and 947,706.48

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Solution

The fourth proportional to 1,635,940.80, 2,257,576.83 and 947,706.48 is: 1,307,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,940.80 : 2,257,576.83 = 947,706.48 : x
  2. Step 2: Convert to fraction form
    1,635,940.80/2,257,576.83 = 947,706.48/x
  3. Step 3: Cross multiply
    1,635,940.80x = 2,257,576.83 × 947,706.48
  4. Step 4: Simplify right side
    1,635,940.80x = 2,139,520,190,888.86
  5. Step 5: Solve for x
    x = 2,139,520,190,888.86/1,635,940.80
  6. Step 6: Final answer
    x = 1,307,822.50

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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.