Home / 1,257,399.68-1,886,081.04-310,770.48

Finding the Fourth Proportional to 1,257,399.68, 1,886,081.04 and 310,770.48

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Solution

The fourth proportional to 1,257,399.68, 1,886,081.04 and 310,770.48 is: 466,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,399.68 : 1,886,081.04 = 310,770.48 : x
  2. Step 2: Convert to fraction form
    1,257,399.68/1,886,081.04 = 310,770.48/x
  3. Step 3: Cross multiply
    1,257,399.68x = 1,886,081.04 × 310,770.48
  4. Step 4: Simplify right side
    1,257,399.68x = 586,138,310,119.70
  5. Step 5: Solve for x
    x = 586,138,310,119.70/1,257,399.68
  6. Step 6: Final answer
    x = 466,151.15

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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.