Home / 1,284,256.94-1,772,270.07-740,390.09

Finding the Fourth Proportional to 1,284,256.94, 1,772,270.07 and 740,390.09

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Solution

The fourth proportional to 1,284,256.94, 1,772,270.07 and 740,390.09 is: 1,021,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,256.94 : 1,772,270.07 = 740,390.09 : x
  2. Step 2: Convert to fraction form
    1,284,256.94/1,772,270.07 = 740,390.09/x
  3. Step 3: Cross multiply
    1,284,256.94x = 1,772,270.07 × 740,390.09
  4. Step 4: Simplify right side
    1,284,256.94x = 1,312,171,196,631.61
  5. Step 5: Solve for x
    x = 1,312,171,196,631.61/1,284,256.94
  6. Step 6: Final answer
    x = 1,021,735.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.