Home / 1,465,405.20-2,198,107.80-400,611.60

Finding the Fourth Proportional to 1,465,405.20, 2,198,107.80 and 400,611.60

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Solution

The fourth proportional to 1,465,405.20, 2,198,107.80 and 400,611.60 is: 600,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,405.20 : 2,198,107.80 = 400,611.60 : x
  2. Step 2: Convert to fraction form
    1,465,405.20/2,198,107.80 = 400,611.60/x
  3. Step 3: Cross multiply
    1,465,405.20x = 2,198,107.80 × 400,611.60
  4. Step 4: Simplify right side
    1,465,405.20x = 880,587,482,730.48
  5. Step 5: Solve for x
    x = 880,587,482,730.48/1,465,405.20
  6. Step 6: Final answer
    x = 600,917.40

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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.