Home / 1,676,148-2,312,680.86-987,847.26

Finding the Fourth Proportional to 1,676,148, 2,312,680.86 and 987,847.26

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Solution

The fourth proportional to 1,676,148, 2,312,680.86 and 987,847.26 is: 1,362,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,148 : 2,312,680.86 = 987,847.26 : x
  2. Step 2: Convert to fraction form
    1,676,148/2,312,680.86 = 987,847.26/x
  3. Step 3: Cross multiply
    1,676,148x = 2,312,680.86 × 987,847.26
  4. Step 4: Simplify right side
    1,676,148x = 2,284,575,450,805.44
  5. Step 5: Solve for x
    x = 2,284,575,450,805.44/1,676,148
  6. Step 6: Final answer
    x = 1,362,991.48

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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.