Home / 1,226,477-1,692,564.18-689,933

Finding the Fourth Proportional to 1,226,477, 1,692,564.18 and 689,933

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Solution

The fourth proportional to 1,226,477, 1,692,564.18 and 689,933 is: 952,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,477 : 1,692,564.18 = 689,933 : x
  2. Step 2: Convert to fraction form
    1,226,477/1,692,564.18 = 689,933/x
  3. Step 3: Cross multiply
    1,226,477x = 1,692,564.18 × 689,933
  4. Step 4: Simplify right side
    1,226,477x = 1,167,755,882,399.94
  5. Step 5: Solve for x
    x = 1,167,755,882,399.94/1,226,477
  6. Step 6: Final answer
    x = 952,122.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.