Home / 1,082,115.40-1,620,062.70-662,211.40

Finding the Fourth Proportional to 1,082,115.40, 1,620,062.70 and 662,211.40

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Solution

The fourth proportional to 1,082,115.40, 1,620,062.70 and 662,211.40 is: 991,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,115.40 : 1,620,062.70 = 662,211.40 : x
  2. Step 2: Convert to fraction form
    1,082,115.40/1,620,062.70 = 662,211.40/x
  3. Step 3: Cross multiply
    1,082,115.40x = 1,620,062.70 × 662,211.40
  4. Step 4: Simplify right side
    1,082,115.40x = 1,072,823,988,654.78
  5. Step 5: Solve for x
    x = 1,072,823,988,654.78/1,082,115.40
  6. Step 6: Final answer
    x = 991,413.66

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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.