Home / 1,689,309.14-2,329,378.60-1,076,491.23

Finding the Fourth Proportional to 1,689,309.14, 2,329,378.60 and 1,076,491.23

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Solution

The fourth proportional to 1,689,309.14, 2,329,378.60 and 1,076,491.23 is: 1,484,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,309.14 : 2,329,378.60 = 1,076,491.23 : x
  2. Step 2: Convert to fraction form
    1,689,309.14/2,329,378.60 = 1,076,491.23/x
  3. Step 3: Cross multiply
    1,689,309.14x = 2,329,378.60 × 1,076,491.23
  4. Step 4: Simplify right side
    1,689,309.14x = 2,507,555,634,249.68
  5. Step 5: Solve for x
    x = 2,507,555,634,249.68/1,689,309.14
  6. Step 6: Final answer
    x = 1,484,367.53

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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.