Home / 784,133.70-1,174,625.37-663,673.74

Finding the Fourth Proportional to 784,133.70, 1,174,625.37 and 663,673.74

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Solution

The fourth proportional to 784,133.70, 1,174,625.37 and 663,673.74 is: 994,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,133.70 : 1,174,625.37 = 663,673.74 : x
  2. Step 2: Convert to fraction form
    784,133.70/1,174,625.37 = 663,673.74/x
  3. Step 3: Cross multiply
    784,133.70x = 1,174,625.37 × 663,673.74
  4. Step 4: Simplify right side
    784,133.70x = 779,568,012,406.78
  5. Step 5: Solve for x
    x = 779,568,012,406.78/784,133.70
  6. Step 6: Final answer
    x = 994,177.41

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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.