Home / 1,431,812.70-2,147,670.45-366,865.20

Finding the Fourth Proportional to 1,431,812.70, 2,147,670.45 and 366,865.20

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Solution

The fourth proportional to 1,431,812.70, 2,147,670.45 and 366,865.20 is: 550,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,812.70 : 2,147,670.45 = 366,865.20 : x
  2. Step 2: Convert to fraction form
    1,431,812.70/2,147,670.45 = 366,865.20/x
  3. Step 3: Cross multiply
    1,431,812.70x = 2,147,670.45 × 366,865.20
  4. Step 4: Simplify right side
    1,431,812.70x = 787,905,549,173.34
  5. Step 5: Solve for x
    x = 787,905,549,173.34/1,431,812.70
  6. Step 6: Final answer
    x = 550,285.35

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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.