Home / 1,100,842.44-1,651,427.81-390,811.02

Finding the Fourth Proportional to 1,100,842.44, 1,651,427.81 and 390,811.02

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Solution

The fourth proportional to 1,100,842.44, 1,651,427.81 and 390,811.02 is: 586,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,842.44 : 1,651,427.81 = 390,811.02 : x
  2. Step 2: Convert to fraction form
    1,100,842.44/1,651,427.81 = 390,811.02/x
  3. Step 3: Cross multiply
    1,100,842.44x = 1,651,427.81 × 390,811.02
  4. Step 4: Simplify right side
    1,100,842.44x = 645,396,186,882.47
  5. Step 5: Solve for x
    x = 645,396,186,882.47/1,100,842.44
  6. Step 6: Final answer
    x = 586,274.81

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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.