Home / 1,186,191.44-1,636,957.56-642,339.44

Finding the Fourth Proportional to 1,186,191.44, 1,636,957.56 and 642,339.44

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Solution

The fourth proportional to 1,186,191.44, 1,636,957.56 and 642,339.44 is: 886,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,191.44 : 1,636,957.56 = 642,339.44 : x
  2. Step 2: Convert to fraction form
    1,186,191.44/1,636,957.56 = 642,339.44/x
  3. Step 3: Cross multiply
    1,186,191.44x = 1,636,957.56 × 642,339.44
  4. Step 4: Simplify right side
    1,186,191.44x = 1,051,482,402,394.17
  5. Step 5: Solve for x
    x = 1,051,482,402,394.17/1,186,191.44
  6. Step 6: Final answer
    x = 886,435.67

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