Home / 1,100,770.32-1,518,447.96-692,719.86

Finding the Fourth Proportional to 1,100,770.32, 1,518,447.96 and 692,719.86

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Solution

The fourth proportional to 1,100,770.32, 1,518,447.96 and 692,719.86 is: 955,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,770.32 : 1,518,447.96 = 692,719.86 : x
  2. Step 2: Convert to fraction form
    1,100,770.32/1,518,447.96 = 692,719.86/x
  3. Step 3: Cross multiply
    1,100,770.32x = 1,518,447.96 × 692,719.86
  4. Step 4: Simplify right side
    1,100,770.32x = 1,051,859,058,268.49
  5. Step 5: Solve for x
    x = 1,051,859,058,268.49/1,100,770.32
  6. Step 6: Final answer
    x = 955,566.33

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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.