Home / 1,226,848.32-1,694,467.80-818,240.22

Finding the Fourth Proportional to 1,226,848.32, 1,694,467.80 and 818,240.22

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Solution

The fourth proportional to 1,226,848.32, 1,694,467.80 and 818,240.22 is: 1,130,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,848.32 : 1,694,467.80 = 818,240.22 : x
  2. Step 2: Convert to fraction form
    1,226,848.32/1,694,467.80 = 818,240.22/x
  3. Step 3: Cross multiply
    1,226,848.32x = 1,694,467.80 × 818,240.22
  4. Step 4: Simplify right side
    1,226,848.32x = 1,386,481,705,454.92
  5. Step 5: Solve for x
    x = 1,386,481,705,454.92/1,226,848.32
  6. Step 6: Final answer
    x = 1,130,116.64

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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.