Home / 1,681,361.20-2,519,271.60-970,148.80

Finding the Fourth Proportional to 1,681,361.20, 2,519,271.60 and 970,148.80

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Solution

The fourth proportional to 1,681,361.20, 2,519,271.60 and 970,148.80 is: 1,453,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,361.20 : 2,519,271.60 = 970,148.80 : x
  2. Step 2: Convert to fraction form
    1,681,361.20/2,519,271.60 = 970,148.80/x
  3. Step 3: Cross multiply
    1,681,361.20x = 2,519,271.60 × 970,148.80
  4. Step 4: Simplify right side
    1,681,361.20x = 2,444,068,319,614.08
  5. Step 5: Solve for x
    x = 2,444,068,319,614.08/1,681,361.20
  6. Step 6: Final answer
    x = 1,453,624.79

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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.