Home / 1,079,447.85-1,489,013.56-697,474.63

Finding the Fourth Proportional to 1,079,447.85, 1,489,013.56 and 697,474.63

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Solution

The fourth proportional to 1,079,447.85, 1,489,013.56 and 697,474.63 is: 962,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,447.85 : 1,489,013.56 = 697,474.63 : x
  2. Step 2: Convert to fraction form
    1,079,447.85/1,489,013.56 = 697,474.63/x
  3. Step 3: Cross multiply
    1,079,447.85x = 1,489,013.56 × 697,474.63
  4. Step 4: Simplify right side
    1,079,447.85x = 1,038,549,181,825.98
  5. Step 5: Solve for x
    x = 1,038,549,181,825.98/1,079,447.85
  6. Step 6: Final answer
    x = 962,111.49

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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.