Home / 1,567,419.70-2,351,158.71-445,517.86

Finding the Fourth Proportional to 1,567,419.70, 2,351,158.71 and 445,517.86

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Solution

The fourth proportional to 1,567,419.70, 2,351,158.71 and 445,517.86 is: 668,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,419.70 : 2,351,158.71 = 445,517.86 : x
  2. Step 2: Convert to fraction form
    1,567,419.70/2,351,158.71 = 445,517.86/x
  3. Step 3: Cross multiply
    1,567,419.70x = 2,351,158.71 × 445,517.86
  4. Step 4: Simplify right side
    1,567,419.70x = 1,047,483,196,999.56
  5. Step 5: Solve for x
    x = 1,047,483,196,999.56/1,567,419.70
  6. Step 6: Final answer
    x = 668,285.08

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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.