Home / 1,397,433.65-1,929,922.35-962,980.67

Finding the Fourth Proportional to 1,397,433.65, 1,929,922.35 and 962,980.67

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Solution

The fourth proportional to 1,397,433.65, 1,929,922.35 and 962,980.67 is: 1,329,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,433.65 : 1,929,922.35 = 962,980.67 : x
  2. Step 2: Convert to fraction form
    1,397,433.65/1,929,922.35 = 962,980.67/x
  3. Step 3: Cross multiply
    1,397,433.65x = 1,929,922.35 × 962,980.67
  4. Step 4: Simplify right side
    1,397,433.65x = 1,858,477,917,650.97
  5. Step 5: Solve for x
    x = 1,858,477,917,650.97/1,397,433.65
  6. Step 6: Final answer
    x = 1,329,922.12

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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.