Home / 1,306,020.90-1,958,137.00-665,083.96

Finding the Fourth Proportional to 1,306,020.90, 1,958,137.00 and 665,083.96

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Solution

The fourth proportional to 1,306,020.90, 1,958,137.00 and 665,083.96 is: 997,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,020.90 : 1,958,137.00 = 665,083.96 : x
  2. Step 2: Convert to fraction form
    1,306,020.90/1,958,137.00 = 665,083.96/x
  3. Step 3: Cross multiply
    1,306,020.90x = 1,958,137.00 × 665,083.96
  4. Step 4: Simplify right side
    1,306,020.90x = 1,302,325,516,740.57
  5. Step 5: Solve for x
    x = 1,302,325,516,740.57/1,306,020.90
  6. Step 6: Final answer
    x = 997,170.50

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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.