Home / 1,366,848.90-2,050,273.35-1,288,116.90

Finding the Fourth Proportional to 1,366,848.90, 2,050,273.35 and 1,288,116.90

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Solution

The fourth proportional to 1,366,848.90, 2,050,273.35 and 1,288,116.90 is: 1,932,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,848.90 : 2,050,273.35 = 1,288,116.90 : x
  2. Step 2: Convert to fraction form
    1,366,848.90/2,050,273.35 = 1,288,116.90/x
  3. Step 3: Cross multiply
    1,366,848.90x = 2,050,273.35 × 1,288,116.90
  4. Step 4: Simplify right side
    1,366,848.90x = 2,640,991,751,754.61
  5. Step 5: Solve for x
    x = 2,640,991,751,754.61/1,366,848.90
  6. Step 6: Final answer
    x = 1,932,175.35

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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.