Home / 1,008,362.70-1,511,215.65-740,868.30

Finding the Fourth Proportional to 1,008,362.70, 1,511,215.65 and 740,868.30

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Solution

The fourth proportional to 1,008,362.70, 1,511,215.65 and 740,868.30 is: 1,110,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,362.70 : 1,511,215.65 = 740,868.30 : x
  2. Step 2: Convert to fraction form
    1,008,362.70/1,511,215.65 = 740,868.30/x
  3. Step 3: Cross multiply
    1,008,362.70x = 1,511,215.65 × 740,868.30
  4. Step 4: Simplify right side
    1,008,362.70x = 1,119,611,769,548.90
  5. Step 5: Solve for x
    x = 1,119,611,769,548.90/1,008,362.70
  6. Step 6: Final answer
    x = 1,110,326.44

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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.