Home / 1,201,863.72-1,802,212.38-602,567.40

Finding the Fourth Proportional to 1,201,863.72, 1,802,212.38 and 602,567.40

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Solution

The fourth proportional to 1,201,863.72, 1,802,212.38 and 602,567.40 is: 903,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,863.72 : 1,802,212.38 = 602,567.40 : x
  2. Step 2: Convert to fraction form
    1,201,863.72/1,802,212.38 = 602,567.40/x
  3. Step 3: Cross multiply
    1,201,863.72x = 1,802,212.38 × 602,567.40
  4. Step 4: Simplify right side
    1,201,863.72x = 1,085,954,428,064.41
  5. Step 5: Solve for x
    x = 1,085,954,428,064.41/1,201,863.72
  6. Step 6: Final answer
    x = 903,558.71

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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.