Home / 1,072,008.12-1,607,766.60-639,847.50

Finding the Fourth Proportional to 1,072,008.12, 1,607,766.60 and 639,847.50

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Solution

The fourth proportional to 1,072,008.12, 1,607,766.60 and 639,847.50 is: 959,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,008.12 : 1,607,766.60 = 639,847.50 : x
  2. Step 2: Convert to fraction form
    1,072,008.12/1,607,766.60 = 639,847.50/x
  3. Step 3: Cross multiply
    1,072,008.12x = 1,607,766.60 × 639,847.50
  4. Step 4: Simplify right side
    1,072,008.12x = 1,028,725,439,593.50
  5. Step 5: Solve for x
    x = 1,028,725,439,593.50/1,072,008.12
  6. Step 6: Final answer
    x = 959,624.67

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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.