Home / 1,567,420.70-2,351,160.21-445,518.86

Finding the Fourth Proportional to 1,567,420.70, 2,351,160.21 and 445,518.86

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Solution

The fourth proportional to 1,567,420.70, 2,351,160.21 and 445,518.86 is: 668,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,420.70 : 2,351,160.21 = 445,518.86 : x
  2. Step 2: Convert to fraction form
    1,567,420.70/2,351,160.21 = 445,518.86/x
  3. Step 3: Cross multiply
    1,567,420.70x = 2,351,160.21 × 445,518.86
  4. Step 4: Simplify right side
    1,567,420.70x = 1,047,486,216,436.56
  5. Step 5: Solve for x
    x = 1,047,486,216,436.56/1,567,420.70
  6. Step 6: Final answer
    x = 668,286.58

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1.5x scale

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.