Home / 1,400,246.60-2,095,704.30-1,288,272.20

Finding the Fourth Proportional to 1,400,246.60, 2,095,704.30 and 1,288,272.20

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Solution

The fourth proportional to 1,400,246.60, 2,095,704.30 and 1,288,272.20 is: 1,928,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,246.60 : 2,095,704.30 = 1,288,272.20 : x
  2. Step 2: Convert to fraction form
    1,400,246.60/2,095,704.30 = 1,288,272.20/x
  3. Step 3: Cross multiply
    1,400,246.60x = 2,095,704.30 × 1,288,272.20
  4. Step 4: Simplify right side
    1,400,246.60x = 2,699,837,589,110.46
  5. Step 5: Solve for x
    x = 2,699,837,589,110.46/1,400,246.60
  6. Step 6: Final answer
    x = 1,928,115.80

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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.