Home / 1,056,003.80-1,584,005.70-720,080.60

Finding the Fourth Proportional to 1,056,003.80, 1,584,005.70 and 720,080.60

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Solution

The fourth proportional to 1,056,003.80, 1,584,005.70 and 720,080.60 is: 1,080,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,003.80 : 1,584,005.70 = 720,080.60 : x
  2. Step 2: Convert to fraction form
    1,056,003.80/1,584,005.70 = 720,080.60/x
  3. Step 3: Cross multiply
    1,056,003.80x = 1,584,005.70 × 720,080.60
  4. Step 4: Simplify right side
    1,056,003.80x = 1,140,611,774,859.42
  5. Step 5: Solve for x
    x = 1,140,611,774,859.42/1,056,003.80
  6. Step 6: Final answer
    x = 1,080,120.90

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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.