Home / 1,775,390.40-2,660,898.60-1,206,770.40

Finding the Fourth Proportional to 1,775,390.40, 2,660,898.60 and 1,206,770.40

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Solution

The fourth proportional to 1,775,390.40, 2,660,898.60 and 1,206,770.40 is: 1,808,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,390.40 : 2,660,898.60 = 1,206,770.40 : x
  2. Step 2: Convert to fraction form
    1,775,390.40/2,660,898.60 = 1,206,770.40/x
  3. Step 3: Cross multiply
    1,775,390.40x = 2,660,898.60 × 1,206,770.40
  4. Step 4: Simplify right side
    1,775,390.40x = 3,211,093,667,881.44
  5. Step 5: Solve for x
    x = 3,211,093,667,881.44/1,775,390.40
  6. Step 6: Final answer
    x = 1,808,669.05

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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.