Home / 1,242,560.76-1,863,562.30-484,141.98

Finding the Fourth Proportional to 1,242,560.76, 1,863,562.30 and 484,141.98

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Solution

The fourth proportional to 1,242,560.76, 1,863,562.30 and 484,141.98 is: 726,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,560.76 : 1,863,562.30 = 484,141.98 : x
  2. Step 2: Convert to fraction form
    1,242,560.76/1,863,562.30 = 484,141.98/x
  3. Step 3: Cross multiply
    1,242,560.76x = 1,863,562.30 × 484,141.98
  4. Step 4: Simplify right side
    1,242,560.76x = 902,228,741,775.35
  5. Step 5: Solve for x
    x = 902,228,741,775.35/1,242,560.76
  6. Step 6: Final answer
    x = 726,104.32

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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.