Home / 997,659.40-1,496,489.10-678,794.80

Finding the Fourth Proportional to 997,659.40, 1,496,489.10 and 678,794.80

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Solution

The fourth proportional to 997,659.40, 1,496,489.10 and 678,794.80 is: 1,018,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,659.40 : 1,496,489.10 = 678,794.80 : x
  2. Step 2: Convert to fraction form
    997,659.40/1,496,489.10 = 678,794.80/x
  3. Step 3: Cross multiply
    997,659.40x = 1,496,489.10 × 678,794.80
  4. Step 4: Simplify right side
    997,659.40x = 1,015,809,019,336.68
  5. Step 5: Solve for x
    x = 1,015,809,019,336.68/997,659.40
  6. Step 6: Final answer
    x = 1,018,192.20

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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.