Home / 1,774,020.80-2,660,512.80-636,651.20

Finding the Fourth Proportional to 1,774,020.80, 2,660,512.80 and 636,651.20

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Solution

The fourth proportional to 1,774,020.80, 2,660,512.80 and 636,651.20 is: 954,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,020.80 : 2,660,512.80 = 636,651.20 : x
  2. Step 2: Convert to fraction form
    1,774,020.80/2,660,512.80 = 636,651.20/x
  3. Step 3: Cross multiply
    1,774,020.80x = 2,660,512.80 × 636,651.20
  4. Step 4: Simplify right side
    1,774,020.80x = 1,693,818,666,735.36
  5. Step 5: Solve for x
    x = 1,693,818,666,735.36/1,774,020.80
  6. Step 6: Final answer
    x = 954,790.76

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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.