Home / 1,019,399.58-1,529,283.69-420,027.30

Finding the Fourth Proportional to 1,019,399.58, 1,529,283.69 and 420,027.30

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Solution

The fourth proportional to 1,019,399.58, 1,529,283.69 and 420,027.30 is: 630,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,399.58 : 1,529,283.69 = 420,027.30 : x
  2. Step 2: Convert to fraction form
    1,019,399.58/1,529,283.69 = 420,027.30/x
  3. Step 3: Cross multiply
    1,019,399.58x = 1,529,283.69 × 420,027.30
  4. Step 4: Simplify right side
    1,019,399.58x = 642,340,899,244.74
  5. Step 5: Solve for x
    x = 642,340,899,244.74/1,019,399.58
  6. Step 6: Final answer
    x = 630,116.90

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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.