Home / 1,257,378.64-1,886,049.52-310,749.44

Finding the Fourth Proportional to 1,257,378.64, 1,886,049.52 and 310,749.44

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Solution

The fourth proportional to 1,257,378.64, 1,886,049.52 and 310,749.44 is: 466,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,378.64 : 1,886,049.52 = 310,749.44 : x
  2. Step 2: Convert to fraction form
    1,257,378.64/1,886,049.52 = 310,749.44/x
  3. Step 3: Cross multiply
    1,257,378.64x = 1,886,049.52 × 310,749.44
  4. Step 4: Simplify right side
    1,257,378.64x = 586,088,832,152.27
  5. Step 5: Solve for x
    x = 586,088,832,152.27/1,257,378.64
  6. Step 6: Final answer
    x = 466,119.60

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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.