Home / 1,687,940.64-2,329,413.12-923,994

Finding the Fourth Proportional to 1,687,940.64, 2,329,413.12 and 923,994

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Solution

The fourth proportional to 1,687,940.64, 2,329,413.12 and 923,994 is: 1,275,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,940.64 : 2,329,413.12 = 923,994 : x
  2. Step 2: Convert to fraction form
    1,687,940.64/2,329,413.12 = 923,994/x
  3. Step 3: Cross multiply
    1,687,940.64x = 2,329,413.12 × 923,994
  4. Step 4: Simplify right side
    1,687,940.64x = 2,152,363,746,401.28
  5. Step 5: Solve for x
    x = 2,152,363,746,401.28/1,687,940.64
  6. Step 6: Final answer
    x = 1,275,141.85

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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.