Home / 1,309,672.69-1,965,776.02-945,309.95

Finding the Fourth Proportional to 1,309,672.69, 1,965,776.02 and 945,309.95

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Solution

The fourth proportional to 1,309,672.69, 1,965,776.02 and 945,309.95 is: 1,418,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,672.69 : 1,965,776.02 = 945,309.95 : x
  2. Step 2: Convert to fraction form
    1,309,672.69/1,965,776.02 = 945,309.95/x
  3. Step 3: Cross multiply
    1,309,672.69x = 1,965,776.02 × 945,309.95
  4. Step 4: Simplify right side
    1,309,672.69x = 1,858,267,642,731.76
  5. Step 5: Solve for x
    x = 1,858,267,642,731.76/1,309,672.69
  6. Step 6: Final answer
    x = 1,418,879.43

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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.