Home / 1,373,212.39-2,059,951.02-426,328.87

Finding the Fourth Proportional to 1,373,212.39, 2,059,951.02 and 426,328.87

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Solution

The fourth proportional to 1,373,212.39, 2,059,951.02 and 426,328.87 is: 639,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,212.39 : 2,059,951.02 = 426,328.87 : x
  2. Step 2: Convert to fraction form
    1,373,212.39/2,059,951.02 = 426,328.87/x
  3. Step 3: Cross multiply
    1,373,212.39x = 2,059,951.02 × 426,328.87
  4. Step 4: Simplify right side
    1,373,212.39x = 878,216,590,611.95
  5. Step 5: Solve for x
    x = 878,216,590,611.95/1,373,212.39
  6. Step 6: Final answer
    x = 639,534.42

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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.