Home / 1,362,053.80-2,039,970.30-802,181.80

Finding the Fourth Proportional to 1,362,053.80, 2,039,970.30 and 802,181.80

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Solution

The fourth proportional to 1,362,053.80, 2,039,970.30 and 802,181.80 is: 1,201,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,053.80 : 2,039,970.30 = 802,181.80 : x
  2. Step 2: Convert to fraction form
    1,362,053.80/2,039,970.30 = 802,181.80/x
  3. Step 3: Cross multiply
    1,362,053.80x = 2,039,970.30 × 802,181.80
  4. Step 4: Simplify right side
    1,362,053.80x = 1,636,427,047,200.54
  5. Step 5: Solve for x
    x = 1,636,427,047,200.54/1,362,053.80
  6. Step 6: Final answer
    x = 1,201,440.83

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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.