Home / 1,112,993.57-1,669,554.93-314,208.21

Finding the Fourth Proportional to 1,112,993.57, 1,669,554.93 and 314,208.21

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Solution

The fourth proportional to 1,112,993.57, 1,669,554.93 and 314,208.21 is: 471,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,993.57 : 1,669,554.93 = 314,208.21 : x
  2. Step 2: Convert to fraction form
    1,112,993.57/1,669,554.93 = 314,208.21/x
  3. Step 3: Cross multiply
    1,112,993.57x = 1,669,554.93 × 314,208.21
  4. Step 4: Simplify right side
    1,112,993.57x = 524,587,866,051.98
  5. Step 5: Solve for x
    x = 524,587,866,051.98/1,112,993.57
  6. Step 6: Final answer
    x = 471,330.55

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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.