Home / 1,026,921.20-1,536,234.60-888,220.40

Finding the Fourth Proportional to 1,026,921.20, 1,536,234.60 and 888,220.40

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Solution

The fourth proportional to 1,026,921.20, 1,536,234.60 and 888,220.40 is: 1,328,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,921.20 : 1,536,234.60 = 888,220.40 : x
  2. Step 2: Convert to fraction form
    1,026,921.20/1,536,234.60 = 888,220.40/x
  3. Step 3: Cross multiply
    1,026,921.20x = 1,536,234.60 × 888,220.40
  4. Step 4: Simplify right side
    1,026,921.20x = 1,364,514,910,905.84
  5. Step 5: Solve for x
    x = 1,364,514,910,905.84/1,026,921.20
  6. Step 6: Final answer
    x = 1,328,743.54

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1.5x scale

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.