Home / 1,361,860.80-2,043,228.60-603,409.20

Finding the Fourth Proportional to 1,361,860.80, 2,043,228.60 and 603,409.20

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Solution

The fourth proportional to 1,361,860.80, 2,043,228.60 and 603,409.20 is: 905,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,860.80 : 2,043,228.60 = 603,409.20 : x
  2. Step 2: Convert to fraction form
    1,361,860.80/2,043,228.60 = 603,409.20/x
  3. Step 3: Cross multiply
    1,361,860.80x = 2,043,228.60 × 603,409.20
  4. Step 4: Simplify right side
    1,361,860.80x = 1,232,902,934,943.12
  5. Step 5: Solve for x
    x = 1,232,902,934,943.12/1,361,860.80
  6. Step 6: Final answer
    x = 905,307.60

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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.