Home / 784,671.40-1,173,896.70-680,645.80

Finding the Fourth Proportional to 784,671.40, 1,173,896.70 and 680,645.80

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Solution

The fourth proportional to 784,671.40, 1,173,896.70 and 680,645.80 is: 1,018,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,671.40 : 1,173,896.70 = 680,645.80 : x
  2. Step 2: Convert to fraction form
    784,671.40/1,173,896.70 = 680,645.80/x
  3. Step 3: Cross multiply
    784,671.40x = 1,173,896.70 × 680,645.80
  4. Step 4: Simplify right side
    784,671.40x = 799,007,858,488.86
  5. Step 5: Solve for x
    x = 799,007,858,488.86/784,671.40
  6. Step 6: Final answer
    x = 1,018,270.65

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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.