Home / 1,470,906.88-2,030,626.56-990,000.64

Finding the Fourth Proportional to 1,470,906.88, 2,030,626.56 and 990,000.64

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Solution

The fourth proportional to 1,470,906.88, 2,030,626.56 and 990,000.64 is: 1,366,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,906.88 : 2,030,626.56 = 990,000.64 : x
  2. Step 2: Convert to fraction form
    1,470,906.88/2,030,626.56 = 990,000.64/x
  3. Step 3: Cross multiply
    1,470,906.88x = 2,030,626.56 × 990,000.64
  4. Step 4: Simplify right side
    1,470,906.88x = 2,010,321,594,001.00
  5. Step 5: Solve for x
    x = 2,010,321,594,001.00/1,470,906.88
  6. Step 6: Final answer
    x = 1,366,722.54

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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.