Home / 1,100,767.32-1,518,443.82-692,716.86

Finding the Fourth Proportional to 1,100,767.32, 1,518,443.82 and 692,716.86

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Solution

The fourth proportional to 1,100,767.32, 1,518,443.82 and 692,716.86 is: 955,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,767.32 : 1,518,443.82 = 692,716.86 : x
  2. Step 2: Convert to fraction form
    1,100,767.32/1,518,443.82 = 692,716.86/x
  3. Step 3: Cross multiply
    1,100,767.32x = 1,518,443.82 × 692,716.86
  4. Step 4: Simplify right side
    1,100,767.32x = 1,051,851,635,076.81
  5. Step 5: Solve for x
    x = 1,051,851,635,076.81/1,100,767.32
  6. Step 6: Final answer
    x = 955,562.19

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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.