Home / 1,379,952-2,069,928-382,680

Finding the Fourth Proportional to 1,379,952, 2,069,928 and 382,680

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Solution

The fourth proportional to 1,379,952, 2,069,928 and 382,680 is: 574,020

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,952 : 2,069,928 = 382,680 : x
  2. Step 2: Convert to fraction form
    1,379,952/2,069,928 = 382,680/x
  3. Step 3: Cross multiply
    1,379,952x = 2,069,928 × 382,680
  4. Step 4: Simplify right side
    1,379,952x = 792,120,047,040
  5. Step 5: Solve for x
    x = 792,120,047,040/1,379,952
  6. Step 6: Final answer
    x = 574,020

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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.