Home / 1,189,041.72-1,783,556.31-290,488.50

Finding the Fourth Proportional to 1,189,041.72, 1,783,556.31 and 290,488.50

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Solution

The fourth proportional to 1,189,041.72, 1,783,556.31 and 290,488.50 is: 435,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,041.72 : 1,783,556.31 = 290,488.50 : x
  2. Step 2: Convert to fraction form
    1,189,041.72/1,783,556.31 = 290,488.50/x
  3. Step 3: Cross multiply
    1,189,041.72x = 1,783,556.31 × 290,488.50
  4. Step 4: Simplify right side
    1,189,041.72x = 518,102,597,157.44
  5. Step 5: Solve for x
    x = 518,102,597,157.44/1,189,041.72
  6. Step 6: Final answer
    x = 435,731.22

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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.