Home / 1,079,450.86-1,489,017.69-697,477.63

Finding the Fourth Proportional to 1,079,450.86, 1,489,017.69 and 697,477.63

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Solution

The fourth proportional to 1,079,450.86, 1,489,017.69 and 697,477.63 is: 962,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,450.86 : 1,489,017.69 = 697,477.63 : x
  2. Step 2: Convert to fraction form
    1,079,450.86/1,489,017.69 = 697,477.63/x
  3. Step 3: Cross multiply
    1,079,450.86x = 1,489,017.69 × 697,477.63
  4. Step 4: Simplify right side
    1,079,450.86x = 1,038,556,529,449.27
  5. Step 5: Solve for x
    x = 1,038,556,529,449.27/1,079,450.86
  6. Step 6: Final answer
    x = 962,115.62

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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.