Home / 1,362,019.49-2,042,319.94-508,389.25

Finding the Fourth Proportional to 1,362,019.49, 2,042,319.94 and 508,389.25

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Solution

The fourth proportional to 1,362,019.49, 2,042,319.94 and 508,389.25 is: 762,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,019.49 : 2,042,319.94 = 508,389.25 : x
  2. Step 2: Convert to fraction form
    1,362,019.49/2,042,319.94 = 508,389.25/x
  3. Step 3: Cross multiply
    1,362,019.49x = 2,042,319.94 × 508,389.25
  4. Step 4: Simplify right side
    1,362,019.49x = 1,038,293,502,556.65
  5. Step 5: Solve for x
    x = 1,038,293,502,556.65/1,362,019.49
  6. Step 6: Final answer
    x = 762,319.12

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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.