Home / 1,491,143.48-2,057,495.28-947,367.80

Finding the Fourth Proportional to 1,491,143.48, 2,057,495.28 and 947,367.80

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Solution

The fourth proportional to 1,491,143.48, 2,057,495.28 and 947,367.80 is: 1,307,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,143.48 : 2,057,495.28 = 947,367.80 : x
  2. Step 2: Convert to fraction form
    1,491,143.48/2,057,495.28 = 947,367.80/x
  3. Step 3: Cross multiply
    1,491,143.48x = 2,057,495.28 × 947,367.80
  4. Step 4: Simplify right side
    1,491,143.48x = 1,949,204,776,923.98
  5. Step 5: Solve for x
    x = 1,949,204,776,923.98/1,491,143.48
  6. Step 6: Final answer
    x = 1,307,187.94

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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.