Home / 1,304,608.40-1,956,912.60-879,455.60

Finding the Fourth Proportional to 1,304,608.40, 1,956,912.60 and 879,455.60

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Solution

The fourth proportional to 1,304,608.40, 1,956,912.60 and 879,455.60 is: 1,319,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,608.40 : 1,956,912.60 = 879,455.60 : x
  2. Step 2: Convert to fraction form
    1,304,608.40/1,956,912.60 = 879,455.60/x
  3. Step 3: Cross multiply
    1,304,608.40x = 1,956,912.60 × 879,455.60
  4. Step 4: Simplify right side
    1,304,608.40x = 1,721,017,744,780.56
  5. Step 5: Solve for x
    x = 1,721,017,744,780.56/1,304,608.40
  6. Step 6: Final answer
    x = 1,319,183.40

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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.