Home / 1,254,939.42-1,731,809.76-681,981.84

Finding the Fourth Proportional to 1,254,939.42, 1,731,809.76 and 681,981.84

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Solution

The fourth proportional to 1,254,939.42, 1,731,809.76 and 681,981.84 is: 941,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,939.42 : 1,731,809.76 = 681,981.84 : x
  2. Step 2: Convert to fraction form
    1,254,939.42/1,731,809.76 = 681,981.84/x
  3. Step 3: Cross multiply
    1,254,939.42x = 1,731,809.76 × 681,981.84
  4. Step 4: Simplify right side
    1,254,939.42x = 1,181,062,806,654.76
  5. Step 5: Solve for x
    x = 1,181,062,806,654.76/1,254,939.42
  6. Step 6: Final answer
    x = 941,131.33

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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.