Home / 1,018,522.20-1,527,783.30-664,228.20

Finding the Fourth Proportional to 1,018,522.20, 1,527,783.30 and 664,228.20

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Solution

The fourth proportional to 1,018,522.20, 1,527,783.30 and 664,228.20 is: 996,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,522.20 : 1,527,783.30 = 664,228.20 : x
  2. Step 2: Convert to fraction form
    1,018,522.20/1,527,783.30 = 664,228.20/x
  3. Step 3: Cross multiply
    1,018,522.20x = 1,527,783.30 × 664,228.20
  4. Step 4: Simplify right side
    1,018,522.20x = 1,014,796,751,349.06
  5. Step 5: Solve for x
    x = 1,014,796,751,349.06/1,018,522.20
  6. Step 6: Final answer
    x = 996,342.30

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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.