Home / 1,008,359.70-1,511,211.15-740,865.30

Finding the Fourth Proportional to 1,008,359.70, 1,511,211.15 and 740,865.30

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Solution

The fourth proportional to 1,008,359.70, 1,511,211.15 and 740,865.30 is: 1,110,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,359.70 : 1,511,211.15 = 740,865.30 : x
  2. Step 2: Convert to fraction form
    1,008,359.70/1,511,211.15 = 740,865.30/x
  3. Step 3: Cross multiply
    1,008,359.70x = 1,511,211.15 × 740,865.30
  4. Step 4: Simplify right side
    1,008,359.70x = 1,119,603,902,008.10
  5. Step 5: Solve for x
    x = 1,119,603,902,008.10/1,008,359.70
  6. Step 6: Final answer
    x = 1,110,321.94

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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.