Home / 1,270,425.69-1,903,956.48-931,881.18

Finding the Fourth Proportional to 1,270,425.69, 1,903,956.48 and 931,881.18

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Solution

The fourth proportional to 1,270,425.69, 1,903,956.48 and 931,881.18 is: 1,396,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,425.69 : 1,903,956.48 = 931,881.18 : x
  2. Step 2: Convert to fraction form
    1,270,425.69/1,903,956.48 = 931,881.18/x
  3. Step 3: Cross multiply
    1,270,425.69x = 1,903,956.48 × 931,881.18
  4. Step 4: Simplify right side
    1,270,425.69x = 1,774,261,211,251.05
  5. Step 5: Solve for x
    x = 1,774,261,211,251.05/1,270,425.69
  6. Step 6: Final answer
    x = 1,396,587.95

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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.