Home / 1,385,128.74-2,077,811.55-486,492.24

Finding the Fourth Proportional to 1,385,128.74, 2,077,811.55 and 486,492.24

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Solution

The fourth proportional to 1,385,128.74, 2,077,811.55 and 486,492.24 is: 729,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,128.74 : 2,077,811.55 = 486,492.24 : x
  2. Step 2: Convert to fraction form
    1,385,128.74/2,077,811.55 = 486,492.24/x
  3. Step 3: Cross multiply
    1,385,128.74x = 2,077,811.55 × 486,492.24
  4. Step 4: Simplify right side
    1,385,128.74x = 1,010,839,195,257.37
  5. Step 5: Solve for x
    x = 1,010,839,195,257.37/1,385,128.74
  6. Step 6: Final answer
    x = 729,779.96

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