Home / 1,262,896.98-1,742,878.26-719,080.26

Finding the Fourth Proportional to 1,262,896.98, 1,742,878.26 and 719,080.26

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Solution

The fourth proportional to 1,262,896.98, 1,742,878.26 and 719,080.26 is: 992,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,896.98 : 1,742,878.26 = 719,080.26 : x
  2. Step 2: Convert to fraction form
    1,262,896.98/1,742,878.26 = 719,080.26/x
  3. Step 3: Cross multiply
    1,262,896.98x = 1,742,878.26 × 719,080.26
  4. Step 4: Simplify right side
    1,262,896.98x = 1,253,269,352,349.15
  5. Step 5: Solve for x
    x = 1,253,269,352,349.15/1,262,896.98
  6. Step 6: Final answer
    x = 992,376.55

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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.