Home / 1,257,884.13-1,887,121.31-359,338.71

Finding the Fourth Proportional to 1,257,884.13, 1,887,121.31 and 359,338.71

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Solution

The fourth proportional to 1,257,884.13, 1,887,121.31 and 359,338.71 is: 539,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,884.13 : 1,887,121.31 = 359,338.71 : x
  2. Step 2: Convert to fraction form
    1,257,884.13/1,887,121.31 = 359,338.71/x
  3. Step 3: Cross multiply
    1,257,884.13x = 1,887,121.31 × 359,338.71
  4. Step 4: Simplify right side
    1,257,884.13x = 678,115,735,352.22
  5. Step 5: Solve for x
    x = 678,115,735,352.22/1,257,884.13
  6. Step 6: Final answer
    x = 539,092.37

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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.