Home / 1,538,958.34-2,308,553.55-459,385.63

Finding the Fourth Proportional to 1,538,958.34, 2,308,553.55 and 459,385.63

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Solution

The fourth proportional to 1,538,958.34, 2,308,553.55 and 459,385.63 is: 689,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,958.34 : 2,308,553.55 = 459,385.63 : x
  2. Step 2: Convert to fraction form
    1,538,958.34/2,308,553.55 = 459,385.63/x
  3. Step 3: Cross multiply
    1,538,958.34x = 2,308,553.55 × 459,385.63
  4. Step 4: Simplify right side
    1,538,958.34x = 1,060,516,326,955.49
  5. Step 5: Solve for x
    x = 1,060,516,326,955.49/1,538,958.34
  6. Step 6: Final answer
    x = 689,113.08

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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.