Home / 1,028,961.45-1,543,500.50-319,090.41

Finding the Fourth Proportional to 1,028,961.45, 1,543,500.50 and 319,090.41

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Solution

The fourth proportional to 1,028,961.45, 1,543,500.50 and 319,090.41 is: 478,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,961.45 : 1,543,500.50 = 319,090.41 : x
  2. Step 2: Convert to fraction form
    1,028,961.45/1,543,500.50 = 319,090.41/x
  3. Step 3: Cross multiply
    1,028,961.45x = 1,543,500.50 × 319,090.41
  4. Step 4: Simplify right side
    1,028,961.45x = 492,516,205,784.75
  5. Step 5: Solve for x
    x = 492,516,205,784.75/1,028,961.45
  6. Step 6: Final answer
    x = 478,653.70

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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.