Home / 1,361,428.32-1,879,351.92-969,214.08

Finding the Fourth Proportional to 1,361,428.32, 1,879,351.92 and 969,214.08

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Solution

The fourth proportional to 1,361,428.32, 1,879,351.92 and 969,214.08 is: 1,337,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,428.32 : 1,879,351.92 = 969,214.08 : x
  2. Step 2: Convert to fraction form
    1,361,428.32/1,879,351.92 = 969,214.08/x
  3. Step 3: Cross multiply
    1,361,428.32x = 1,879,351.92 × 969,214.08
  4. Step 4: Simplify right side
    1,361,428.32x = 1,821,494,342,139.03
  5. Step 5: Solve for x
    x = 1,821,494,342,139.03/1,361,428.32
  6. Step 6: Final answer
    x = 1,337,928.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.