Home / 1,392,097.60-2,091,256.80-1,339,220.80

Finding the Fourth Proportional to 1,392,097.60, 2,091,256.80 and 1,339,220.80

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Solution

The fourth proportional to 1,392,097.60, 2,091,256.80 and 1,339,220.80 is: 2,011,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,097.60 : 2,091,256.80 = 1,339,220.80 : x
  2. Step 2: Convert to fraction form
    1,392,097.60/2,091,256.80 = 1,339,220.80/x
  3. Step 3: Cross multiply
    1,392,097.60x = 2,091,256.80 × 1,339,220.80
  4. Step 4: Simplify right side
    1,392,097.60x = 2,800,654,604,701.44
  5. Step 5: Solve for x
    x = 2,800,654,604,701.44/1,392,097.60
  6. Step 6: Final answer
    x = 2,011,823.46

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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.