Home / 1,450,456.08-1,999,550.64-1,019,398.38

Finding the Fourth Proportional to 1,450,456.08, 1,999,550.64 and 1,019,398.38

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Solution

The fourth proportional to 1,450,456.08, 1,999,550.64 and 1,019,398.38 is: 1,405,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,456.08 : 1,999,550.64 = 1,019,398.38 : x
  2. Step 2: Convert to fraction form
    1,450,456.08/1,999,550.64 = 1,019,398.38/x
  3. Step 3: Cross multiply
    1,450,456.08x = 1,999,550.64 × 1,019,398.38
  4. Step 4: Simplify right side
    1,450,456.08x = 2,038,338,683,143.96
  5. Step 5: Solve for x
    x = 2,038,338,683,143.96/1,450,456.08
  6. Step 6: Final answer
    x = 1,405,308.79

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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.