Home / 1,223,255.20-1,834,882.80-971,312.80

Finding the Fourth Proportional to 1,223,255.20, 1,834,882.80 and 971,312.80

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Solution

The fourth proportional to 1,223,255.20, 1,834,882.80 and 971,312.80 is: 1,456,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,255.20 : 1,834,882.80 = 971,312.80 : x
  2. Step 2: Convert to fraction form
    1,223,255.20/1,834,882.80 = 971,312.80/x
  3. Step 3: Cross multiply
    1,223,255.20x = 1,834,882.80 × 971,312.80
  4. Step 4: Simplify right side
    1,223,255.20x = 1,782,245,150,139.84
  5. Step 5: Solve for x
    x = 1,782,245,150,139.84/1,223,255.20
  6. Step 6: Final answer
    x = 1,456,969.20

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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.