Home / 1,749,705.60-2,624,558.12-420,009.60

Finding the Fourth Proportional to 1,749,705.60, 2,624,558.12 and 420,009.60

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Solution

The fourth proportional to 1,749,705.60, 2,624,558.12 and 420,009.60 is: 630,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,705.60 : 2,624,558.12 = 420,009.60 : x
  2. Step 2: Convert to fraction form
    1,749,705.60/2,624,558.12 = 420,009.60/x
  3. Step 3: Cross multiply
    1,749,705.60x = 2,624,558.12 × 420,009.60
  4. Step 4: Simplify right side
    1,749,705.60x = 1,102,339,606,157.95
  5. Step 5: Solve for x
    x = 1,102,339,606,157.95/1,749,705.60
  6. Step 6: Final answer
    x = 630,014.33

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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.