Home / 1,418,641.66-2,122,969.65-886,413.34

Finding the Fourth Proportional to 1,418,641.66, 2,122,969.65 and 886,413.34

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Solution

The fourth proportional to 1,418,641.66, 2,122,969.65 and 886,413.34 is: 1,326,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,641.66 : 2,122,969.65 = 886,413.34 : x
  2. Step 2: Convert to fraction form
    1,418,641.66/2,122,969.65 = 886,413.34/x
  3. Step 3: Cross multiply
    1,418,641.66x = 2,122,969.65 × 886,413.34
  4. Step 4: Simplify right side
    1,418,641.66x = 1,881,828,618,175.13
  5. Step 5: Solve for x
    x = 1,881,828,618,175.13/1,418,641.66
  6. Step 6: Final answer
    x = 1,326,500.32

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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.