Home / 1,123,476.48-1,685,148.84-324,740.34

Finding the Fourth Proportional to 1,123,476.48, 1,685,148.84 and 324,740.34

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Solution

The fourth proportional to 1,123,476.48, 1,685,148.84 and 324,740.34 is: 487,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,476.48 : 1,685,148.84 = 324,740.34 : x
  2. Step 2: Convert to fraction form
    1,123,476.48/1,685,148.84 = 324,740.34/x
  3. Step 3: Cross multiply
    1,123,476.48x = 1,685,148.84 × 324,740.34
  4. Step 4: Simplify right side
    1,123,476.48x = 547,235,807,252.21
  5. Step 5: Solve for x
    x = 547,235,807,252.21/1,123,476.48
  6. Step 6: Final answer
    x = 487,091.47

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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.