Home / 1,397,284.40-2,095,926.60-972,131.60

Finding the Fourth Proportional to 1,397,284.40, 2,095,926.60 and 972,131.60

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Solution

The fourth proportional to 1,397,284.40, 2,095,926.60 and 972,131.60 is: 1,458,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,284.40 : 2,095,926.60 = 972,131.60 : x
  2. Step 2: Convert to fraction form
    1,397,284.40/2,095,926.60 = 972,131.60/x
  3. Step 3: Cross multiply
    1,397,284.40x = 2,095,926.60 × 972,131.60
  4. Step 4: Simplify right side
    1,397,284.40x = 2,037,516,479,140.56
  5. Step 5: Solve for x
    x = 2,037,516,479,140.56/1,397,284.40
  6. Step 6: Final answer
    x = 1,458,197.40

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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.