Home / 1,223,212.20-1,834,818.30-744,915.30

Finding the Fourth Proportional to 1,223,212.20, 1,834,818.30 and 744,915.30

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Solution

The fourth proportional to 1,223,212.20, 1,834,818.30 and 744,915.30 is: 1,117,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,212.20 : 1,834,818.30 = 744,915.30 : x
  2. Step 2: Convert to fraction form
    1,223,212.20/1,834,818.30 = 744,915.30/x
  3. Step 3: Cross multiply
    1,223,212.20x = 1,834,818.30 × 744,915.30
  4. Step 4: Simplify right side
    1,223,212.20x = 1,366,784,224,389.99
  5. Step 5: Solve for x
    x = 1,366,784,224,389.99/1,223,212.20
  6. Step 6: Final answer
    x = 1,117,372.95

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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.