Home / 1,396,359.30-2,094,538.95-1,245,784.35

Finding the Fourth Proportional to 1,396,359.30, 2,094,538.95 and 1,245,784.35

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Solution

The fourth proportional to 1,396,359.30, 2,094,538.95 and 1,245,784.35 is: 1,868,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,359.30 : 2,094,538.95 = 1,245,784.35 : x
  2. Step 2: Convert to fraction form
    1,396,359.30/2,094,538.95 = 1,245,784.35/x
  3. Step 3: Cross multiply
    1,396,359.30x = 2,094,538.95 × 1,245,784.35
  4. Step 4: Simplify right side
    1,396,359.30x = 2,609,343,844,375.43
  5. Step 5: Solve for x
    x = 2,609,343,844,375.43/1,396,359.30
  6. Step 6: Final answer
    x = 1,868,676.53

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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.