Home / 1,530,361.60-2,295,628.80-465,438.40

Finding the Fourth Proportional to 1,530,361.60, 2,295,628.80 and 465,438.40

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Solution

The fourth proportional to 1,530,361.60, 2,295,628.80 and 465,438.40 is: 698,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,361.60 : 2,295,628.80 = 465,438.40 : x
  2. Step 2: Convert to fraction form
    1,530,361.60/2,295,628.80 = 465,438.40/x
  3. Step 3: Cross multiply
    1,530,361.60x = 2,295,628.80 × 465,438.40
  4. Step 4: Simplify right side
    1,530,361.60x = 1,068,473,795,665.92
  5. Step 5: Solve for x
    x = 1,068,473,795,665.92/1,530,361.60
  6. Step 6: Final answer
    x = 698,183.88

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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.