Home / 1,512,748.80-2,269,123.20-1,229,313.60

Finding the Fourth Proportional to 1,512,748.80, 2,269,123.20 and 1,229,313.60

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Solution

The fourth proportional to 1,512,748.80, 2,269,123.20 and 1,229,313.60 is: 1,843,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,748.80 : 2,269,123.20 = 1,229,313.60 : x
  2. Step 2: Convert to fraction form
    1,512,748.80/2,269,123.20 = 1,229,313.60/x
  3. Step 3: Cross multiply
    1,512,748.80x = 2,269,123.20 × 1,229,313.60
  4. Step 4: Simplify right side
    1,512,748.80x = 2,789,464,009,835.52
  5. Step 5: Solve for x
    x = 2,789,464,009,835.52/1,512,748.80
  6. Step 6: Final answer
    x = 1,843,970.40

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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.