Home / 1,028,579.10-1,542,868.65-318,824.70

Finding the Fourth Proportional to 1,028,579.10, 1,542,868.65 and 318,824.70

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Solution

The fourth proportional to 1,028,579.10, 1,542,868.65 and 318,824.70 is: 478,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,579.10 : 1,542,868.65 = 318,824.70 : x
  2. Step 2: Convert to fraction form
    1,028,579.10/1,542,868.65 = 318,824.70/x
  3. Step 3: Cross multiply
    1,028,579.10x = 1,542,868.65 × 318,824.70
  4. Step 4: Simplify right side
    1,028,579.10x = 491,904,634,475.66
  5. Step 5: Solve for x
    x = 491,904,634,475.66/1,028,579.10
  6. Step 6: Final answer
    x = 478,237.05

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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.