Home / 1,846,487.70-2,768,747.40-780,325.20

Finding the Fourth Proportional to 1,846,487.70, 2,768,747.40 and 780,325.20

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Solution

The fourth proportional to 1,846,487.70, 2,768,747.40 and 780,325.20 is: 1,170,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846,487.70 : 2,768,747.40 = 780,325.20 : x
  2. Step 2: Convert to fraction form
    1,846,487.70/2,768,747.40 = 780,325.20/x
  3. Step 3: Cross multiply
    1,846,487.70x = 2,768,747.40 × 780,325.20
  4. Step 4: Simplify right side
    1,846,487.70x = 2,160,523,368,654.48
  5. Step 5: Solve for x
    x = 2,160,523,368,654.48/1,846,487.70
  6. Step 6: Final answer
    x = 1,170,071.90

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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.