Home / 1,221,745.22-1,680,029.70-1,060,320.02

Finding the Fourth Proportional to 1,221,745.22, 1,680,029.70 and 1,060,320.02

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Solution

The fourth proportional to 1,221,745.22, 1,680,029.70 and 1,060,320.02 is: 1,458,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,745.22 : 1,680,029.70 = 1,060,320.02 : x
  2. Step 2: Convert to fraction form
    1,221,745.22/1,680,029.70 = 1,060,320.02/x
  3. Step 3: Cross multiply
    1,221,745.22x = 1,680,029.70 × 1,060,320.02
  4. Step 4: Simplify right side
    1,221,745.22x = 1,781,369,119,028.36
  5. Step 5: Solve for x
    x = 1,781,369,119,028.36/1,221,745.22
  6. Step 6: Final answer
    x = 1,458,052.86

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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.