Home / 1,790,708.48-2,685,975.20-668,690

Finding the Fourth Proportional to 1,790,708.48, 2,685,975.20 and 668,690

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Solution

The fourth proportional to 1,790,708.48, 2,685,975.20 and 668,690 is: 1,003,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,708.48 : 2,685,975.20 = 668,690 : x
  2. Step 2: Convert to fraction form
    1,790,708.48/2,685,975.20 = 668,690/x
  3. Step 3: Cross multiply
    1,790,708.48x = 2,685,975.20 × 668,690
  4. Step 4: Simplify right side
    1,790,708.48x = 1,796,084,756,488.00
  5. Step 5: Solve for x
    x = 1,796,084,756,488.00/1,790,708.48
  6. Step 6: Final answer
    x = 1,003,002.32

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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.