Home / 1,538,955.72-2,308,549.61-459,383.01

Finding the Fourth Proportional to 1,538,955.72, 2,308,549.61 and 459,383.01

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Solution

The fourth proportional to 1,538,955.72, 2,308,549.61 and 459,383.01 is: 689,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,955.72 : 2,308,549.61 = 459,383.01 : x
  2. Step 2: Convert to fraction form
    1,538,955.72/2,308,549.61 = 459,383.01/x
  3. Step 3: Cross multiply
    1,538,955.72x = 2,308,549.61 × 459,383.01
  4. Step 4: Simplify right side
    1,538,955.72x = 1,060,508,468,576.13
  5. Step 5: Solve for x
    x = 1,060,508,468,576.13/1,538,955.72
  6. Step 6: Final answer
    x = 689,109.15

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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.