Home / 1,412,820.22-1,949,702.04-768,235.80

Finding the Fourth Proportional to 1,412,820.22, 1,949,702.04 and 768,235.80

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Solution

The fourth proportional to 1,412,820.22, 1,949,702.04 and 768,235.80 is: 1,060,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,820.22 : 1,949,702.04 = 768,235.80 : x
  2. Step 2: Convert to fraction form
    1,412,820.22/1,949,702.04 = 768,235.80/x
  3. Step 3: Cross multiply
    1,412,820.22x = 1,949,702.04 × 768,235.80
  4. Step 4: Simplify right side
    1,412,820.22x = 1,497,830,906,461.03
  5. Step 5: Solve for x
    x = 1,497,830,906,461.03/1,412,820.22
  6. Step 6: Final answer
    x = 1,060,170.92

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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.