Home / 1,188,223.20-1,782,334.80-589,276.80

Finding the Fourth Proportional to 1,188,223.20, 1,782,334.80 and 589,276.80

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Solution

The fourth proportional to 1,188,223.20, 1,782,334.80 and 589,276.80 is: 883,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,223.20 : 1,782,334.80 = 589,276.80 : x
  2. Step 2: Convert to fraction form
    1,188,223.20/1,782,334.80 = 589,276.80/x
  3. Step 3: Cross multiply
    1,188,223.20x = 1,782,334.80 × 589,276.80
  4. Step 4: Simplify right side
    1,188,223.20x = 1,050,288,547,472.64
  5. Step 5: Solve for x
    x = 1,050,288,547,472.64/1,188,223.20
  6. Step 6: Final answer
    x = 883,915.20

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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.