Home / 1,394,705.20-2,088,121.20-1,355,339.20

Finding the Fourth Proportional to 1,394,705.20, 2,088,121.20 and 1,355,339.20

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Solution

The fourth proportional to 1,394,705.20, 2,088,121.20 and 1,355,339.20 is: 2,029,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,705.20 : 2,088,121.20 = 1,355,339.20 : x
  2. Step 2: Convert to fraction form
    1,394,705.20/2,088,121.20 = 1,355,339.20/x
  3. Step 3: Cross multiply
    1,394,705.20x = 2,088,121.20 × 1,355,339.20
  4. Step 4: Simplify right side
    1,394,705.20x = 2,830,112,516,711.04
  5. Step 5: Solve for x
    x = 2,830,112,516,711.04/1,394,705.20
  6. Step 6: Final answer
    x = 2,029,183.31

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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.