Home / 1,242,021.90-1,863,032.85-1,207,029.90

Finding the Fourth Proportional to 1,242,021.90, 1,863,032.85 and 1,207,029.90

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Solution

The fourth proportional to 1,242,021.90, 1,863,032.85 and 1,207,029.90 is: 1,810,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,021.90 : 1,863,032.85 = 1,207,029.90 : x
  2. Step 2: Convert to fraction form
    1,242,021.90/1,863,032.85 = 1,207,029.90/x
  3. Step 3: Cross multiply
    1,242,021.90x = 1,863,032.85 × 1,207,029.90
  4. Step 4: Simplify right side
    1,242,021.90x = 2,248,736,354,632.22
  5. Step 5: Solve for x
    x = 2,248,736,354,632.22/1,242,021.90
  6. Step 6: Final answer
    x = 1,810,544.85

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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.