Home / 1,848,981.20-2,772,089.40-783,150.80

Finding the Fourth Proportional to 1,848,981.20, 2,772,089.40 and 783,150.80

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Solution

The fourth proportional to 1,848,981.20, 2,772,089.40 and 783,150.80 is: 1,174,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,981.20 : 2,772,089.40 = 783,150.80 : x
  2. Step 2: Convert to fraction form
    1,848,981.20/2,772,089.40 = 783,150.80/x
  3. Step 3: Cross multiply
    1,848,981.20x = 2,772,089.40 × 783,150.80
  4. Step 4: Simplify right side
    1,848,981.20x = 2,170,964,031,281.52
  5. Step 5: Solve for x
    x = 2,170,964,031,281.52/1,848,981.20
  6. Step 6: Final answer
    x = 1,174,140.67

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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.