Home / 1,242,150.69-1,863,314.65-331,328.07

Finding the Fourth Proportional to 1,242,150.69, 1,863,314.65 and 331,328.07

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Solution

The fourth proportional to 1,242,150.69, 1,863,314.65 and 331,328.07 is: 497,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,150.69 : 1,863,314.65 = 331,328.07 : x
  2. Step 2: Convert to fraction form
    1,242,150.69/1,863,314.65 = 331,328.07/x
  3. Step 3: Cross multiply
    1,242,150.69x = 1,863,314.65 × 331,328.07
  4. Step 4: Simplify right side
    1,242,150.69x = 617,368,447,201.39
  5. Step 5: Solve for x
    x = 617,368,447,201.39/1,242,150.69
  6. Step 6: Final answer
    x = 497,015.74

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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.