Home / 1,016,398.27-1,402,625.68-629,136.50

Finding the Fourth Proportional to 1,016,398.27, 1,402,625.68 and 629,136.50

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Solution

The fourth proportional to 1,016,398.27, 1,402,625.68 and 629,136.50 is: 868,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,398.27 : 1,402,625.68 = 629,136.50 : x
  2. Step 2: Convert to fraction form
    1,016,398.27/1,402,625.68 = 629,136.50/x
  3. Step 3: Cross multiply
    1,016,398.27x = 1,402,625.68 × 629,136.50
  4. Step 4: Simplify right side
    1,016,398.27x = 882,443,011,125.32
  5. Step 5: Solve for x
    x = 882,443,011,125.32/1,016,398.27
  6. Step 6: Final answer
    x = 868,205.94

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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.