Home / 1,051,413.12-1,450,444.32-688,680

Finding the Fourth Proportional to 1,051,413.12, 1,450,444.32 and 688,680

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Solution

The fourth proportional to 1,051,413.12, 1,450,444.32 and 688,680 is: 950,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,413.12 : 1,450,444.32 = 688,680 : x
  2. Step 2: Convert to fraction form
    1,051,413.12/1,450,444.32 = 688,680/x
  3. Step 3: Cross multiply
    1,051,413.12x = 1,450,444.32 × 688,680
  4. Step 4: Simplify right side
    1,051,413.12x = 998,891,994,297.60
  5. Step 5: Solve for x
    x = 998,891,994,297.60/1,051,413.12
  6. Step 6: Final answer
    x = 950,047.11

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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.