Home / 1,272,235.14-1,908,347.85-325,604.34

Finding the Fourth Proportional to 1,272,235.14, 1,908,347.85 and 325,604.34

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Solution

The fourth proportional to 1,272,235.14, 1,908,347.85 and 325,604.34 is: 488,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,235.14 : 1,908,347.85 = 325,604.34 : x
  2. Step 2: Convert to fraction form
    1,272,235.14/1,908,347.85 = 325,604.34/x
  3. Step 3: Cross multiply
    1,272,235.14x = 1,908,347.85 × 325,604.34
  4. Step 4: Simplify right side
    1,272,235.14x = 621,366,342,189.67
  5. Step 5: Solve for x
    x = 621,366,342,189.67/1,272,235.14
  6. Step 6: Final answer
    x = 488,405.27

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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.