Home / 1,286,112.56-1,774,473.36-1,013,334.80

Finding the Fourth Proportional to 1,286,112.56, 1,774,473.36 and 1,013,334.80

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Solution

The fourth proportional to 1,286,112.56, 1,774,473.36 and 1,013,334.80 is: 1,398,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,112.56 : 1,774,473.36 = 1,013,334.80 : x
  2. Step 2: Convert to fraction form
    1,286,112.56/1,774,473.36 = 1,013,334.80/x
  3. Step 3: Cross multiply
    1,286,112.56x = 1,774,473.36 × 1,013,334.80
  4. Step 4: Simplify right side
    1,286,112.56x = 1,798,135,607,360.93
  5. Step 5: Solve for x
    x = 1,798,135,607,360.93/1,286,112.56
  6. Step 6: Final answer
    x = 1,398,116.82

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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.