Home / 1,296,012.97-1,788,499.02-723,053.31

Finding the Fourth Proportional to 1,296,012.97, 1,788,499.02 and 723,053.31

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Solution

The fourth proportional to 1,296,012.97, 1,788,499.02 and 723,053.31 is: 997,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,012.97 : 1,788,499.02 = 723,053.31 : x
  2. Step 2: Convert to fraction form
    1,296,012.97/1,788,499.02 = 723,053.31/x
  3. Step 3: Cross multiply
    1,296,012.97x = 1,788,499.02 × 723,053.31
  4. Step 4: Simplify right side
    1,296,012.97x = 1,293,180,136,342.76
  5. Step 5: Solve for x
    x = 1,293,180,136,342.76/1,296,012.97
  6. Step 6: Final answer
    x = 997,814.19

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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.