Home / 1,993,240.80-2,989,861.20-573,213.60

Finding the Fourth Proportional to 1,993,240.80, 2,989,861.20 and 573,213.60

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Solution

The fourth proportional to 1,993,240.80, 2,989,861.20 and 573,213.60 is: 859,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,240.80 : 2,989,861.20 = 573,213.60 : x
  2. Step 2: Convert to fraction form
    1,993,240.80/2,989,861.20 = 573,213.60/x
  3. Step 3: Cross multiply
    1,993,240.80x = 2,989,861.20 × 573,213.60
  4. Step 4: Simplify right side
    1,993,240.80x = 1,713,829,101,952.32
  5. Step 5: Solve for x
    x = 1,713,829,101,952.32/1,993,240.80
  6. Step 6: Final answer
    x = 859,820.40

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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.