Home / 1,676,619.88-2,313,735.70-912,679.18

Finding the Fourth Proportional to 1,676,619.88, 2,313,735.70 and 912,679.18

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Solution

The fourth proportional to 1,676,619.88, 2,313,735.70 and 912,679.18 is: 1,259,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,619.88 : 2,313,735.70 = 912,679.18 : x
  2. Step 2: Convert to fraction form
    1,676,619.88/2,313,735.70 = 912,679.18/x
  3. Step 3: Cross multiply
    1,676,619.88x = 2,313,735.70 × 912,679.18
  4. Step 4: Simplify right side
    1,676,619.88x = 2,111,698,401,412.73
  5. Step 5: Solve for x
    x = 2,111,698,401,412.73/1,676,619.88
  6. Step 6: Final answer
    x = 1,259,497.41

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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.