Home / 1,188,187.20-1,782,280.80-589,240.80

Finding the Fourth Proportional to 1,188,187.20, 1,782,280.80 and 589,240.80

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Solution

The fourth proportional to 1,188,187.20, 1,782,280.80 and 589,240.80 is: 883,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,187.20 : 1,782,280.80 = 589,240.80 : x
  2. Step 2: Convert to fraction form
    1,188,187.20/1,782,280.80 = 589,240.80/x
  3. Step 3: Cross multiply
    1,188,187.20x = 1,782,280.80 × 589,240.80
  4. Step 4: Simplify right side
    1,188,187.20x = 1,050,192,564,416.64
  5. Step 5: Solve for x
    x = 1,050,192,564,416.64/1,188,187.20
  6. Step 6: Final answer
    x = 883,861.20

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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.