Home / 789,754.20-1,182,881.70-611,683.80

Finding the Fourth Proportional to 789,754.20, 1,182,881.70 and 611,683.80

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Solution

The fourth proportional to 789,754.20, 1,182,881.70 and 611,683.80 is: 916,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,754.20 : 1,182,881.70 = 611,683.80 : x
  2. Step 2: Convert to fraction form
    789,754.20/1,182,881.70 = 611,683.80/x
  3. Step 3: Cross multiply
    789,754.20x = 1,182,881.70 × 611,683.80
  4. Step 4: Simplify right side
    789,754.20x = 723,549,573,206.46
  5. Step 5: Solve for x
    x = 723,549,573,206.46/789,754.20
  6. Step 6: Final answer
    x = 916,170.59

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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.