Home / 1,154,389.44-1,731,968.04-727,431.92

Finding the Fourth Proportional to 1,154,389.44, 1,731,968.04 and 727,431.92

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Solution

The fourth proportional to 1,154,389.44, 1,731,968.04 and 727,431.92 is: 1,091,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,389.44 : 1,731,968.04 = 727,431.92 : x
  2. Step 2: Convert to fraction form
    1,154,389.44/1,731,968.04 = 727,431.92/x
  3. Step 3: Cross multiply
    1,154,389.44x = 1,731,968.04 × 727,431.92
  4. Step 4: Simplify right side
    1,154,389.44x = 1,259,888,836,715.84
  5. Step 5: Solve for x
    x = 1,259,888,836,715.84/1,154,389.44
  6. Step 6: Final answer
    x = 1,091,389.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.