Home / 1,618,749.70-2,428,999.35-720,330.10

Finding the Fourth Proportional to 1,618,749.70, 2,428,999.35 and 720,330.10

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Solution

The fourth proportional to 1,618,749.70, 2,428,999.35 and 720,330.10 is: 1,080,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,749.70 : 2,428,999.35 = 720,330.10 : x
  2. Step 2: Convert to fraction form
    1,618,749.70/2,428,999.35 = 720,330.10/x
  3. Step 3: Cross multiply
    1,618,749.70x = 2,428,999.35 × 720,330.10
  4. Step 4: Simplify right side
    1,618,749.70x = 1,749,681,344,685.44
  5. Step 5: Solve for x
    x = 1,749,681,344,685.44/1,618,749.70
  6. Step 6: Final answer
    x = 1,080,884.43

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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.