Home / 1,079,446.85-1,489,012.19-697,473.63

Finding the Fourth Proportional to 1,079,446.85, 1,489,012.19 and 697,473.63

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Solution

The fourth proportional to 1,079,446.85, 1,489,012.19 and 697,473.63 is: 962,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,446.85 : 1,489,012.19 = 697,473.63 : x
  2. Step 2: Convert to fraction form
    1,079,446.85/1,489,012.19 = 697,473.63/x
  3. Step 3: Cross multiply
    1,079,446.85x = 1,489,012.19 × 697,473.63
  4. Step 4: Simplify right side
    1,079,446.85x = 1,038,546,739,369.98
  5. Step 5: Solve for x
    x = 1,038,546,739,369.98/1,079,446.85
  6. Step 6: Final answer
    x = 962,110.12

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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.