Home / 1,620,729.60-2,433,283.20-947,500.80

Finding the Fourth Proportional to 1,620,729.60, 2,433,283.20 and 947,500.80

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Solution

The fourth proportional to 1,620,729.60, 2,433,283.20 and 947,500.80 is: 1,422,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,729.60 : 2,433,283.20 = 947,500.80 : x
  2. Step 2: Convert to fraction form
    1,620,729.60/2,433,283.20 = 947,500.80/x
  3. Step 3: Cross multiply
    1,620,729.60x = 2,433,283.20 × 947,500.80
  4. Step 4: Simplify right side
    1,620,729.60x = 2,305,537,778,626.56
  5. Step 5: Solve for x
    x = 2,305,537,778,626.56/1,620,729.60
  6. Step 6: Final answer
    x = 1,422,530.80

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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.