Home / 1,120,200.28-1,679,747.46-488,840.92

Finding the Fourth Proportional to 1,120,200.28, 1,679,747.46 and 488,840.92

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Solution

The fourth proportional to 1,120,200.28, 1,679,747.46 and 488,840.92 is: 733,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,200.28 : 1,679,747.46 = 488,840.92 : x
  2. Step 2: Convert to fraction form
    1,120,200.28/1,679,747.46 = 488,840.92/x
  3. Step 3: Cross multiply
    1,120,200.28x = 1,679,747.46 × 488,840.92
  4. Step 4: Simplify right side
    1,120,200.28x = 821,129,293,714.06
  5. Step 5: Solve for x
    x = 821,129,293,714.06/1,120,200.28
  6. Step 6: Final answer
    x = 733,020.08

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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.