Home / 1,230,544.80-1,846,076.40-520,207.20

Finding the Fourth Proportional to 1,230,544.80, 1,846,076.40 and 520,207.20

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Solution

The fourth proportional to 1,230,544.80, 1,846,076.40 and 520,207.20 is: 780,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,544.80 : 1,846,076.40 = 520,207.20 : x
  2. Step 2: Convert to fraction form
    1,230,544.80/1,846,076.40 = 520,207.20/x
  3. Step 3: Cross multiply
    1,230,544.80x = 1,846,076.40 × 520,207.20
  4. Step 4: Simplify right side
    1,230,544.80x = 960,342,235,030.08
  5. Step 5: Solve for x
    x = 960,342,235,030.08/1,230,544.80
  6. Step 6: Final answer
    x = 780,420.38

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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.