Home / 1,412,694.84-2,118,994.88-613,976.32

Finding the Fourth Proportional to 1,412,694.84, 2,118,994.88 and 613,976.32

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Solution

The fourth proportional to 1,412,694.84, 2,118,994.88 and 613,976.32 is: 920,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,694.84 : 2,118,994.88 = 613,976.32 : x
  2. Step 2: Convert to fraction form
    1,412,694.84/2,118,994.88 = 613,976.32/x
  3. Step 3: Cross multiply
    1,412,694.84x = 2,118,994.88 × 613,976.32
  4. Step 4: Simplify right side
    1,412,694.84x = 1,301,012,675,853.80
  5. Step 5: Solve for x
    x = 1,301,012,675,853.80/1,412,694.84
  6. Step 6: Final answer
    x = 920,943.88

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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.