Home / 1,372,371.76-1,893,877.48-760,534.60

Finding the Fourth Proportional to 1,372,371.76, 1,893,877.48 and 760,534.60

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Solution

The fourth proportional to 1,372,371.76, 1,893,877.48 and 760,534.60 is: 1,049,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,371.76 : 1,893,877.48 = 760,534.60 : x
  2. Step 2: Convert to fraction form
    1,372,371.76/1,893,877.48 = 760,534.60/x
  3. Step 3: Cross multiply
    1,372,371.76x = 1,893,877.48 × 760,534.60
  4. Step 4: Simplify right side
    1,372,371.76x = 1,440,359,351,700.81
  5. Step 5: Solve for x
    x = 1,440,359,351,700.81/1,372,371.76
  6. Step 6: Final answer
    x = 1,049,540.21

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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.