Home / 1,609,813.80-2,414,720.70-1,208,280.60

Finding the Fourth Proportional to 1,609,813.80, 2,414,720.70 and 1,208,280.60

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Solution

The fourth proportional to 1,609,813.80, 2,414,720.70 and 1,208,280.60 is: 1,812,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,813.80 : 2,414,720.70 = 1,208,280.60 : x
  2. Step 2: Convert to fraction form
    1,609,813.80/2,414,720.70 = 1,208,280.60/x
  3. Step 3: Cross multiply
    1,609,813.80x = 2,414,720.70 × 1,208,280.60
  4. Step 4: Simplify right side
    1,609,813.80x = 2,917,660,176,228.42
  5. Step 5: Solve for x
    x = 2,917,660,176,228.42/1,609,813.80
  6. Step 6: Final answer
    x = 1,812,420.90

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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.