Home / 1,448,377.80-2,170,233.90-1,210,432.20

Finding the Fourth Proportional to 1,448,377.80, 2,170,233.90 and 1,210,432.20

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Solution

The fourth proportional to 1,448,377.80, 2,170,233.90 and 1,210,432.20 is: 1,813,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,377.80 : 2,170,233.90 = 1,210,432.20 : x
  2. Step 2: Convert to fraction form
    1,448,377.80/2,170,233.90 = 1,210,432.20/x
  3. Step 3: Cross multiply
    1,448,377.80x = 2,170,233.90 × 1,210,432.20
  4. Step 4: Simplify right side
    1,448,377.80x = 2,626,920,994,091.58
  5. Step 5: Solve for x
    x = 2,626,920,994,091.58/1,448,377.80
  6. Step 6: Final answer
    x = 1,813,698.74

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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.