Home / 1,016,399.77-1,402,627.75-629,138

Finding the Fourth Proportional to 1,016,399.77, 1,402,627.75 and 629,138

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Solution

The fourth proportional to 1,016,399.77, 1,402,627.75 and 629,138 is: 868,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,399.77 : 1,402,627.75 = 629,138 : x
  2. Step 2: Convert to fraction form
    1,016,399.77/1,402,627.75 = 629,138/x
  3. Step 3: Cross multiply
    1,016,399.77x = 1,402,627.75 × 629,138
  4. Step 4: Simplify right side
    1,016,399.77x = 882,446,417,379.50
  5. Step 5: Solve for x
    x = 882,446,417,379.50/1,016,399.77
  6. Step 6: Final answer
    x = 868,208.01

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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.