Home / 931,536.64-1,398,485.76-775,671.04

Finding the Fourth Proportional to 931,536.64, 1,398,485.76 and 775,671.04

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Solution

The fourth proportional to 931,536.64, 1,398,485.76 and 775,671.04 is: 1,164,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,536.64 : 1,398,485.76 = 775,671.04 : x
  2. Step 2: Convert to fraction form
    931,536.64/1,398,485.76 = 775,671.04/x
  3. Step 3: Cross multiply
    931,536.64x = 1,398,485.76 × 775,671.04
  4. Step 4: Simplify right side
    931,536.64x = 1,084,764,903,884.39
  5. Step 5: Solve for x
    x = 1,084,764,903,884.39/931,536.64
  6. Step 6: Final answer
    x = 1,164,489.79

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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.