Home / 1,008,020.90-1,511,047.20-901,732.70

Finding the Fourth Proportional to 1,008,020.90, 1,511,047.20 and 901,732.70

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Solution

The fourth proportional to 1,008,020.90, 1,511,047.20 and 901,732.70 is: 1,351,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,020.90 : 1,511,047.20 = 901,732.70 : x
  2. Step 2: Convert to fraction form
    1,008,020.90/1,511,047.20 = 901,732.70/x
  3. Step 3: Cross multiply
    1,008,020.90x = 1,511,047.20 × 901,732.70
  4. Step 4: Simplify right side
    1,008,020.90x = 1,362,560,671,483.44
  5. Step 5: Solve for x
    x = 1,362,560,671,483.44/1,008,020.90
  6. Step 6: Final answer
    x = 1,351,718.67

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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.