Home / 1,242,004.70-1,863,007.05-355,540.70

Finding the Fourth Proportional to 1,242,004.70, 1,863,007.05 and 355,540.70

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Solution

The fourth proportional to 1,242,004.70, 1,863,007.05 and 355,540.70 is: 533,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,004.70 : 1,863,007.05 = 355,540.70 : x
  2. Step 2: Convert to fraction form
    1,242,004.70/1,863,007.05 = 355,540.70/x
  3. Step 3: Cross multiply
    1,242,004.70x = 1,863,007.05 × 355,540.70
  4. Step 4: Simplify right side
    1,242,004.70x = 662,374,830,661.94
  5. Step 5: Solve for x
    x = 662,374,830,661.94/1,242,004.70
  6. Step 6: Final answer
    x = 533,311.05

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1.5x scale

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.