Home / 1,242,043.16-1,863,062.41-389,180.10

Finding the Fourth Proportional to 1,242,043.16, 1,863,062.41 and 389,180.10

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Solution

The fourth proportional to 1,242,043.16, 1,863,062.41 and 389,180.10 is: 583,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,043.16 : 1,863,062.41 = 389,180.10 : x
  2. Step 2: Convert to fraction form
    1,242,043.16/1,863,062.41 = 389,180.10/x
  3. Step 3: Cross multiply
    1,242,043.16x = 1,863,062.41 × 389,180.10
  4. Step 4: Simplify right side
    1,242,043.16x = 725,066,811,102.10
  5. Step 5: Solve for x
    x = 725,066,811,102.10/1,242,043.16
  6. Step 6: Final answer
    x = 583,769.42

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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.