Home / 1,324,257.84-1,986,376.23-876,980.16

Finding the Fourth Proportional to 1,324,257.84, 1,986,376.23 and 876,980.16

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Solution

The fourth proportional to 1,324,257.84, 1,986,376.23 and 876,980.16 is: 1,315,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,257.84 : 1,986,376.23 = 876,980.16 : x
  2. Step 2: Convert to fraction form
    1,324,257.84/1,986,376.23 = 876,980.16/x
  3. Step 3: Cross multiply
    1,324,257.84x = 1,986,376.23 × 876,980.16
  4. Step 4: Simplify right side
    1,324,257.84x = 1,742,012,544,005.60
  5. Step 5: Solve for x
    x = 1,742,012,544,005.60/1,324,257.84
  6. Step 6: Final answer
    x = 1,315,463.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.