Home / 1,782,049.30-2,673,176.35-520,071.70

Finding the Fourth Proportional to 1,782,049.30, 2,673,176.35 and 520,071.70

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Solution

The fourth proportional to 1,782,049.30, 2,673,176.35 and 520,071.70 is: 780,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,049.30 : 2,673,176.35 = 520,071.70 : x
  2. Step 2: Convert to fraction form
    1,782,049.30/2,673,176.35 = 520,071.70/x
  3. Step 3: Cross multiply
    1,782,049.30x = 2,673,176.35 × 520,071.70
  4. Step 4: Simplify right side
    1,782,049.30x = 1,390,243,368,744.30
  5. Step 5: Solve for x
    x = 1,390,243,368,744.30/1,782,049.30
  6. Step 6: Final answer
    x = 780,137.43

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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.