Home / 1,528,830.56-2,288,255.67-1,123,915.54

Finding the Fourth Proportional to 1,528,830.56, 2,288,255.67 and 1,123,915.54

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Solution

The fourth proportional to 1,528,830.56, 2,288,255.67 and 1,123,915.54 is: 1,682,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,830.56 : 2,288,255.67 = 1,123,915.54 : x
  2. Step 2: Convert to fraction form
    1,528,830.56/2,288,255.67 = 1,123,915.54/x
  3. Step 3: Cross multiply
    1,528,830.56x = 2,288,255.67 × 1,123,915.54
  4. Step 4: Simplify right side
    1,528,830.56x = 2,571,806,107,006.11
  5. Step 5: Solve for x
    x = 2,571,806,107,006.11/1,528,830.56
  6. Step 6: Final answer
    x = 1,682,204.80

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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.