Home / 823,945.98-1,234,465.41-721,602.06

Finding the Fourth Proportional to 823,945.98, 1,234,465.41 and 721,602.06

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Solution

The fourth proportional to 823,945.98, 1,234,465.41 and 721,602.06 is: 1,081,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,945.98 : 1,234,465.41 = 721,602.06 : x
  2. Step 2: Convert to fraction form
    823,945.98/1,234,465.41 = 721,602.06/x
  3. Step 3: Cross multiply
    823,945.98x = 1,234,465.41 × 721,602.06
  4. Step 4: Simplify right side
    823,945.98x = 890,792,782,854.75
  5. Step 5: Solve for x
    x = 890,792,782,854.75/823,945.98
  6. Step 6: Final answer
    x = 1,081,130.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.