Home / 1,123,381.71-1,684,906.49-413,243.67

Finding the Fourth Proportional to 1,123,381.71, 1,684,906.49 and 413,243.67

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Solution

The fourth proportional to 1,123,381.71, 1,684,906.49 and 413,243.67 is: 619,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,381.71 : 1,684,906.49 = 413,243.67 : x
  2. Step 2: Convert to fraction form
    1,123,381.71/1,684,906.49 = 413,243.67/x
  3. Step 3: Cross multiply
    1,123,381.71x = 1,684,906.49 × 413,243.67
  4. Step 4: Simplify right side
    1,123,381.71x = 696,276,939,468.20
  5. Step 5: Solve for x
    x = 696,276,939,468.20/1,123,381.71
  6. Step 6: Final answer
    x = 619,804.41

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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.