Home / 1,672,797.81-2,308,385.75-947,630.73

Finding the Fourth Proportional to 1,672,797.81, 2,308,385.75 and 947,630.73

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Solution

The fourth proportional to 1,672,797.81, 2,308,385.75 and 947,630.73 is: 1,307,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,797.81 : 2,308,385.75 = 947,630.73 : x
  2. Step 2: Convert to fraction form
    1,672,797.81/2,308,385.75 = 947,630.73/x
  3. Step 3: Cross multiply
    1,672,797.81x = 2,308,385.75 × 947,630.73
  4. Step 4: Simplify right side
    1,672,797.81x = 2,187,497,268,655.94
  5. Step 5: Solve for x
    x = 2,187,497,268,655.94/1,672,797.81
  6. Step 6: Final answer
    x = 1,307,687.79

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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.