Home / 1,218,685.44-1,681,765.32-674,809.44

Finding the Fourth Proportional to 1,218,685.44, 1,681,765.32 and 674,809.44

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Solution

The fourth proportional to 1,218,685.44, 1,681,765.32 and 674,809.44 is: 931,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,685.44 : 1,681,765.32 = 674,809.44 : x
  2. Step 2: Convert to fraction form
    1,218,685.44/1,681,765.32 = 674,809.44/x
  3. Step 3: Cross multiply
    1,218,685.44x = 1,681,765.32 × 674,809.44
  4. Step 4: Simplify right side
    1,218,685.44x = 1,134,871,113,800.62
  5. Step 5: Solve for x
    x = 1,134,871,113,800.62/1,218,685.44
  6. Step 6: Final answer
    x = 931,225.63

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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.