Home / 1,749,821.60-2,624,732.40-420,125.60

Finding the Fourth Proportional to 1,749,821.60, 2,624,732.40 and 420,125.60

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Solution

The fourth proportional to 1,749,821.60, 2,624,732.40 and 420,125.60 is: 630,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,821.60 : 2,624,732.40 = 420,125.60 : x
  2. Step 2: Convert to fraction form
    1,749,821.60/2,624,732.40 = 420,125.60/x
  3. Step 3: Cross multiply
    1,749,821.60x = 2,624,732.40 × 420,125.60
  4. Step 4: Simplify right side
    1,749,821.60x = 1,102,717,274,389.44
  5. Step 5: Solve for x
    x = 1,102,717,274,389.44/1,749,821.60
  6. Step 6: Final answer
    x = 630,188.40

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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.