Home / 1,361,205.20-2,041,807.80-1,042,340.60

Finding the Fourth Proportional to 1,361,205.20, 2,041,807.80 and 1,042,340.60

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Solution

The fourth proportional to 1,361,205.20, 2,041,807.80 and 1,042,340.60 is: 1,563,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,205.20 : 2,041,807.80 = 1,042,340.60 : x
  2. Step 2: Convert to fraction form
    1,361,205.20/2,041,807.80 = 1,042,340.60/x
  3. Step 3: Cross multiply
    1,361,205.20x = 2,041,807.80 × 1,042,340.60
  4. Step 4: Simplify right side
    1,361,205.20x = 2,128,259,167,336.68
  5. Step 5: Solve for x
    x = 2,128,259,167,336.68/1,361,205.20
  6. Step 6: Final answer
    x = 1,563,510.90

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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.