Home / 1,257,364.76-1,886,028.66-310,735.48

Finding the Fourth Proportional to 1,257,364.76, 1,886,028.66 and 310,735.48

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Solution

The fourth proportional to 1,257,364.76, 1,886,028.66 and 310,735.48 is: 466,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,364.76 : 1,886,028.66 = 310,735.48 : x
  2. Step 2: Convert to fraction form
    1,257,364.76/1,886,028.66 = 310,735.48/x
  3. Step 3: Cross multiply
    1,257,364.76x = 1,886,028.66 × 310,735.48
  4. Step 4: Simplify right side
    1,257,364.76x = 586,056,020,958.86
  5. Step 5: Solve for x
    x = 586,056,020,958.86/1,257,364.76
  6. Step 6: Final answer
    x = 466,098.65

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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.