Home / 931,889.69-1,395,785.58-770,132.33

Finding the Fourth Proportional to 931,889.69, 1,395,785.58 and 770,132.33

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Solution

The fourth proportional to 931,889.69, 1,395,785.58 and 770,132.33 is: 1,153,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,889.69 : 1,395,785.58 = 770,132.33 : x
  2. Step 2: Convert to fraction form
    931,889.69/1,395,785.58 = 770,132.33/x
  3. Step 3: Cross multiply
    931,889.69x = 1,395,785.58 × 770,132.33
  4. Step 4: Simplify right side
    931,889.69x = 1,074,939,600,905.80
  5. Step 5: Solve for x
    x = 1,074,939,600,905.80/931,889.69
  6. Step 6: Final answer
    x = 1,153,505.20

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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.