Home / 1,512,748.40-2,269,122.60-1,087,595.60

Finding the Fourth Proportional to 1,512,748.40, 2,269,122.60 and 1,087,595.60

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Solution

The fourth proportional to 1,512,748.40, 2,269,122.60 and 1,087,595.60 is: 1,631,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,748.40 : 2,269,122.60 = 1,087,595.60 : x
  2. Step 2: Convert to fraction form
    1,512,748.40/2,269,122.60 = 1,087,595.60/x
  3. Step 3: Cross multiply
    1,512,748.40x = 2,269,122.60 × 1,087,595.60
  4. Step 4: Simplify right side
    1,512,748.40x = 2,467,887,755,620.56
  5. Step 5: Solve for x
    x = 2,467,887,755,620.56/1,512,748.40
  6. Step 6: Final answer
    x = 1,631,393.40

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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.