Home / 1,218,492.38-1,681,632.32-674,628.18

Finding the Fourth Proportional to 1,218,492.38, 1,681,632.32 and 674,628.18

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Solution

The fourth proportional to 1,218,492.38, 1,681,632.32 and 674,628.18 is: 931,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,492.38 : 1,681,632.32 = 674,628.18 : x
  2. Step 2: Convert to fraction form
    1,218,492.38/1,681,632.32 = 674,628.18/x
  3. Step 3: Cross multiply
    1,218,492.38x = 1,681,632.32 × 674,628.18
  4. Step 4: Simplify right side
    1,218,492.38x = 1,134,476,544,321.37
  5. Step 5: Solve for x
    x = 1,134,476,544,321.37/1,218,492.38
  6. Step 6: Final answer
    x = 931,049.36

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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.