Home / 1,640,704.10-2,461,056.15-442,811.30

Finding the Fourth Proportional to 1,640,704.10, 2,461,056.15 and 442,811.30

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Solution

The fourth proportional to 1,640,704.10, 2,461,056.15 and 442,811.30 is: 664,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,704.10 : 2,461,056.15 = 442,811.30 : x
  2. Step 2: Convert to fraction form
    1,640,704.10/2,461,056.15 = 442,811.30/x
  3. Step 3: Cross multiply
    1,640,704.10x = 2,461,056.15 × 442,811.30
  4. Step 4: Simplify right side
    1,640,704.10x = 1,089,783,473,154.49
  5. Step 5: Solve for x
    x = 1,089,783,473,154.49/1,640,704.10
  6. Step 6: Final answer
    x = 664,216.95

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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.