Home / 1,749,819.60-2,624,729.40-420,123.60

Finding the Fourth Proportional to 1,749,819.60, 2,624,729.40 and 420,123.60

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Solution

The fourth proportional to 1,749,819.60, 2,624,729.40 and 420,123.60 is: 630,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,819.60 : 2,624,729.40 = 420,123.60 : x
  2. Step 2: Convert to fraction form
    1,749,819.60/2,624,729.40 = 420,123.60/x
  3. Step 3: Cross multiply
    1,749,819.60x = 2,624,729.40 × 420,123.60
  4. Step 4: Simplify right side
    1,749,819.60x = 1,102,710,764,553.84
  5. Step 5: Solve for x
    x = 1,102,710,764,553.84/1,749,819.60
  6. Step 6: Final answer
    x = 630,185.40

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Similar ratio
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1.5x scale

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.