Home / 1,313,745.88-1,812,968.51-710,133.88

Finding the Fourth Proportional to 1,313,745.88, 1,812,968.51 and 710,133.88

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Solution

The fourth proportional to 1,313,745.88, 1,812,968.51 and 710,133.88 is: 979,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,745.88 : 1,812,968.51 = 710,133.88 : x
  2. Step 2: Convert to fraction form
    1,313,745.88/1,812,968.51 = 710,133.88/x
  3. Step 3: Cross multiply
    1,313,745.88x = 1,812,968.51 × 710,133.88
  4. Step 4: Simplify right side
    1,313,745.88x = 1,287,450,362,324.12
  5. Step 5: Solve for x
    x = 1,287,450,362,324.12/1,313,745.88
  6. Step 6: Final answer
    x = 979,984.32

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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.