Home / 1,237,907.31-1,856,999.70-1,110,766.06

Finding the Fourth Proportional to 1,237,907.31, 1,856,999.70 and 1,110,766.06

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Solution

The fourth proportional to 1,237,907.31, 1,856,999.70 and 1,110,766.06 is: 1,666,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,907.31 : 1,856,999.70 = 1,110,766.06 : x
  2. Step 2: Convert to fraction form
    1,237,907.31/1,856,999.70 = 1,110,766.06/x
  3. Step 3: Cross multiply
    1,237,907.31x = 1,856,999.70 × 1,110,766.06
  4. Step 4: Simplify right side
    1,237,907.31x = 2,062,692,239,387.40
  5. Step 5: Solve for x
    x = 2,062,692,239,387.40/1,237,907.31
  6. Step 6: Final answer
    x = 1,666,273.58

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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.