Home / 1,990,295.76-2,983,676.09-775,591.01

Finding the Fourth Proportional to 1,990,295.76, 2,983,676.09 and 775,591.01

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Solution

The fourth proportional to 1,990,295.76, 2,983,676.09 and 775,591.01 is: 1,162,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,295.76 : 2,983,676.09 = 775,591.01 : x
  2. Step 2: Convert to fraction form
    1,990,295.76/2,983,676.09 = 775,591.01/x
  3. Step 3: Cross multiply
    1,990,295.76x = 2,983,676.09 × 775,591.01
  4. Step 4: Simplify right side
    1,990,295.76x = 2,314,112,352,155.95
  5. Step 5: Solve for x
    x = 2,314,112,352,155.95/1,990,295.76
  6. Step 6: Final answer
    x = 1,162,697.72

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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.