Home / 1,293,486.52-1,939,756.74-494,372.92

Finding the Fourth Proportional to 1,293,486.52, 1,939,756.74 and 494,372.92

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Solution

The fourth proportional to 1,293,486.52, 1,939,756.74 and 494,372.92 is: 741,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,486.52 : 1,939,756.74 = 494,372.92 : x
  2. Step 2: Convert to fraction form
    1,293,486.52/1,939,756.74 = 494,372.92/x
  3. Step 3: Cross multiply
    1,293,486.52x = 1,939,756.74 × 494,372.92
  4. Step 4: Simplify right side
    1,293,486.52x = 958,963,203,643.48
  5. Step 5: Solve for x
    x = 958,963,203,643.48/1,293,486.52
  6. Step 6: Final answer
    x = 741,378.58

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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.