Home / 1,302,971.96-1,798,209.02-722,377.26

Finding the Fourth Proportional to 1,302,971.96, 1,798,209.02 and 722,377.26

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Solution

The fourth proportional to 1,302,971.96, 1,798,209.02 and 722,377.26 is: 996,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,971.96 : 1,798,209.02 = 722,377.26 : x
  2. Step 2: Convert to fraction form
    1,302,971.96/1,798,209.02 = 722,377.26/x
  3. Step 3: Cross multiply
    1,302,971.96x = 1,798,209.02 × 722,377.26
  4. Step 4: Simplify right side
    1,302,971.96x = 1,298,985,301,163.00
  5. Step 5: Solve for x
    x = 1,298,985,301,163.00/1,302,971.96
  6. Step 6: Final answer
    x = 996,940.34

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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.