Home / 1,016,398.77-1,402,626.37-629,137

Finding the Fourth Proportional to 1,016,398.77, 1,402,626.37 and 629,137

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Solution

The fourth proportional to 1,016,398.77, 1,402,626.37 and 629,137 is: 868,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,398.77 : 1,402,626.37 = 629,137 : x
  2. Step 2: Convert to fraction form
    1,016,398.77/1,402,626.37 = 629,137/x
  3. Step 3: Cross multiply
    1,016,398.77x = 1,402,626.37 × 629,137
  4. Step 4: Simplify right side
    1,016,398.77x = 882,444,146,542.69
  5. Step 5: Solve for x
    x = 882,444,146,542.69/1,016,398.77
  6. Step 6: Final answer
    x = 868,206.63

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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.