Home / 1,281,253.50-1,923,039.36-682,720.20

Finding the Fourth Proportional to 1,281,253.50, 1,923,039.36 and 682,720.20

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Solution

The fourth proportional to 1,281,253.50, 1,923,039.36 and 682,720.20 is: 1,024,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,253.50 : 1,923,039.36 = 682,720.20 : x
  2. Step 2: Convert to fraction form
    1,281,253.50/1,923,039.36 = 682,720.20/x
  3. Step 3: Cross multiply
    1,281,253.50x = 1,923,039.36 × 682,720.20
  4. Step 4: Simplify right side
    1,281,253.50x = 1,312,897,816,467.07
  5. Step 5: Solve for x
    x = 1,312,897,816,467.07/1,281,253.50
  6. Step 6: Final answer
    x = 1,024,697.94

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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.