Home / 1,867,820.40-2,800,693.80-744,620.40

Finding the Fourth Proportional to 1,867,820.40, 2,800,693.80 and 744,620.40

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Solution

The fourth proportional to 1,867,820.40, 2,800,693.80 and 744,620.40 is: 1,116,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,820.40 : 2,800,693.80 = 744,620.40 : x
  2. Step 2: Convert to fraction form
    1,867,820.40/2,800,693.80 = 744,620.40/x
  3. Step 3: Cross multiply
    1,867,820.40x = 2,800,693.80 × 744,620.40
  4. Step 4: Simplify right side
    1,867,820.40x = 2,085,453,737,633.52
  5. Step 5: Solve for x
    x = 2,085,453,737,633.52/1,867,820.40
  6. Step 6: Final answer
    x = 1,116,517.27

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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.