Home / 1,266,863.76-1,747,785.60-723,029.76

Finding the Fourth Proportional to 1,266,863.76, 1,747,785.60 and 723,029.76

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Solution

The fourth proportional to 1,266,863.76, 1,747,785.60 and 723,029.76 is: 997,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,863.76 : 1,747,785.60 = 723,029.76 : x
  2. Step 2: Convert to fraction form
    1,266,863.76/1,747,785.60 = 723,029.76/x
  3. Step 3: Cross multiply
    1,266,863.76x = 1,747,785.60 × 723,029.76
  4. Step 4: Simplify right side
    1,266,863.76x = 1,263,701,002,899.46
  5. Step 5: Solve for x
    x = 1,263,701,002,899.46/1,266,863.76
  6. Step 6: Final answer
    x = 997,503.47

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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.