Home / 1,872,730.80-2,809,096.20-1,022,425.20

Finding the Fourth Proportional to 1,872,730.80, 2,809,096.20 and 1,022,425.20

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Solution

The fourth proportional to 1,872,730.80, 2,809,096.20 and 1,022,425.20 is: 1,533,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,730.80 : 2,809,096.20 = 1,022,425.20 : x
  2. Step 2: Convert to fraction form
    1,872,730.80/2,809,096.20 = 1,022,425.20/x
  3. Step 3: Cross multiply
    1,872,730.80x = 2,809,096.20 × 1,022,425.20
  4. Step 4: Simplify right side
    1,872,730.80x = 2,872,090,744,104.24
  5. Step 5: Solve for x
    x = 2,872,090,744,104.24/1,872,730.80
  6. Step 6: Final answer
    x = 1,533,637.80

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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.