Home / 1,635,922.80-2,257,552.08-947,688.48

Finding the Fourth Proportional to 1,635,922.80, 2,257,552.08 and 947,688.48

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Solution

The fourth proportional to 1,635,922.80, 2,257,552.08 and 947,688.48 is: 1,307,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,922.80 : 2,257,552.08 = 947,688.48 : x
  2. Step 2: Convert to fraction form
    1,635,922.80/2,257,552.08 = 947,688.48/x
  3. Step 3: Cross multiply
    1,635,922.80x = 2,257,552.08 × 947,688.48
  4. Step 4: Simplify right side
    1,635,922.80x = 2,139,456,099,216.04
  5. Step 5: Solve for x
    x = 2,139,456,099,216.04/1,635,922.80
  6. Step 6: Final answer
    x = 1,307,797.71

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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.