Home / 1,538,958.34-2,308,553.54-459,385.62

Finding the Fourth Proportional to 1,538,958.34, 2,308,553.54 and 459,385.62

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Solution

The fourth proportional to 1,538,958.34, 2,308,553.54 and 459,385.62 is: 689,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,958.34 : 2,308,553.54 = 459,385.62 : x
  2. Step 2: Convert to fraction form
    1,538,958.34/2,308,553.54 = 459,385.62/x
  3. Step 3: Cross multiply
    1,538,958.34x = 2,308,553.54 × 459,385.62
  4. Step 4: Simplify right side
    1,538,958.34x = 1,060,516,299,276.09
  5. Step 5: Solve for x
    x = 1,060,516,299,276.09/1,538,958.34
  6. Step 6: Final answer
    x = 689,113.07

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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.