Home / 931,887.69-1,395,782.58-770,130.33

Finding the Fourth Proportional to 931,887.69, 1,395,782.58 and 770,130.33

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Solution

The fourth proportional to 931,887.69, 1,395,782.58 and 770,130.33 is: 1,153,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,887.69 : 1,395,782.58 = 770,130.33 : x
  2. Step 2: Convert to fraction form
    931,887.69/1,395,782.58 = 770,130.33/x
  3. Step 3: Cross multiply
    931,887.69x = 1,395,782.58 × 770,130.33
  4. Step 4: Simplify right side
    931,887.69x = 1,074,934,504,448.73
  5. Step 5: Solve for x
    x = 1,074,934,504,448.73/931,887.69
  6. Step 6: Final answer
    x = 1,153,502.21

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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.