Home / 1,009,363.20-1,512,662.40-822,739.20

Finding the Fourth Proportional to 1,009,363.20, 1,512,662.40 and 822,739.20

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Solution

The fourth proportional to 1,009,363.20, 1,512,662.40 and 822,739.20 is: 1,232,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,363.20 : 1,512,662.40 = 822,739.20 : x
  2. Step 2: Convert to fraction form
    1,009,363.20/1,512,662.40 = 822,739.20/x
  3. Step 3: Cross multiply
    1,009,363.20x = 1,512,662.40 × 822,739.20
  4. Step 4: Simplify right side
    1,009,363.20x = 1,244,526,652,846.08
  5. Step 5: Solve for x
    x = 1,244,526,652,846.08/1,009,363.20
  6. Step 6: Final answer
    x = 1,232,982.00

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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.