Home / 1,295,089.70-1,942,634.55-408,625.70

Finding the Fourth Proportional to 1,295,089.70, 1,942,634.55 and 408,625.70

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Solution

The fourth proportional to 1,295,089.70, 1,942,634.55 and 408,625.70 is: 612,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,089.70 : 1,942,634.55 = 408,625.70 : x
  2. Step 2: Convert to fraction form
    1,295,089.70/1,942,634.55 = 408,625.70/x
  3. Step 3: Cross multiply
    1,295,089.70x = 1,942,634.55 × 408,625.70
  4. Step 4: Simplify right side
    1,295,089.70x = 793,810,402,837.94
  5. Step 5: Solve for x
    x = 793,810,402,837.94/1,295,089.70
  6. Step 6: Final answer
    x = 612,938.55

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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.