Home / 1,390,734.24-2,085,764.19-379,860.93

Finding the Fourth Proportional to 1,390,734.24, 2,085,764.19 and 379,860.93

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Solution

The fourth proportional to 1,390,734.24, 2,085,764.19 and 379,860.93 is: 569,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,734.24 : 2,085,764.19 = 379,860.93 : x
  2. Step 2: Convert to fraction form
    1,390,734.24/2,085,764.19 = 379,860.93/x
  3. Step 3: Cross multiply
    1,390,734.24x = 2,085,764.19 × 379,860.93
  4. Step 4: Simplify right side
    1,390,734.24x = 792,300,324,974.10
  5. Step 5: Solve for x
    x = 792,300,324,974.10/1,390,734.24
  6. Step 6: Final answer
    x = 569,699.30

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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.