Home / 1,056,019.80-1,584,029.70-720,096.60

Finding the Fourth Proportional to 1,056,019.80, 1,584,029.70 and 720,096.60

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Solution

The fourth proportional to 1,056,019.80, 1,584,029.70 and 720,096.60 is: 1,080,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,019.80 : 1,584,029.70 = 720,096.60 : x
  2. Step 2: Convert to fraction form
    1,056,019.80/1,584,029.70 = 720,096.60/x
  3. Step 3: Cross multiply
    1,056,019.80x = 1,584,029.70 × 720,096.60
  4. Step 4: Simplify right side
    1,056,019.80x = 1,140,654,401,269.02
  5. Step 5: Solve for x
    x = 1,140,654,401,269.02/1,056,019.80
  6. Step 6: Final answer
    x = 1,080,144.90

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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.