Home / 1,014,269.39-1,399,629.86-555,389.40

Finding the Fourth Proportional to 1,014,269.39, 1,399,629.86 and 555,389.40

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Solution

The fourth proportional to 1,014,269.39, 1,399,629.86 and 555,389.40 is: 766,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,269.39 : 1,399,629.86 = 555,389.40 : x
  2. Step 2: Convert to fraction form
    1,014,269.39/1,399,629.86 = 555,389.40/x
  3. Step 3: Cross multiply
    1,014,269.39x = 1,399,629.86 × 555,389.40
  4. Step 4: Simplify right side
    1,014,269.39x = 777,339,585,390.54
  5. Step 5: Solve for x
    x = 777,339,585,390.54/1,014,269.39
  6. Step 6: Final answer
    x = 766,403.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.