Home / 1,191,567.21-1,786,789.08-432,873.69

Finding the Fourth Proportional to 1,191,567.21, 1,786,789.08 and 432,873.69

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Solution

The fourth proportional to 1,191,567.21, 1,786,789.08 and 432,873.69 is: 649,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,567.21 : 1,786,789.08 = 432,873.69 : x
  2. Step 2: Convert to fraction form
    1,191,567.21/1,786,789.08 = 432,873.69/x
  3. Step 3: Cross multiply
    1,191,567.21x = 1,786,789.08 × 432,873.69
  4. Step 4: Simplify right side
    1,191,567.21x = 773,453,982,311.31
  5. Step 5: Solve for x
    x = 773,453,982,311.31/1,191,567.21
  6. Step 6: Final answer
    x = 649,106.47

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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.