Home / 1,242,005.80-1,863,008.70-1,064,858.80

Finding the Fourth Proportional to 1,242,005.80, 1,863,008.70 and 1,064,858.80

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Solution

The fourth proportional to 1,242,005.80, 1,863,008.70 and 1,064,858.80 is: 1,597,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,005.80 : 1,863,008.70 = 1,064,858.80 : x
  2. Step 2: Convert to fraction form
    1,242,005.80/1,863,008.70 = 1,064,858.80/x
  3. Step 3: Cross multiply
    1,242,005.80x = 1,863,008.70 × 1,064,858.80
  4. Step 4: Simplify right side
    1,242,005.80x = 1,983,841,208,671.56
  5. Step 5: Solve for x
    x = 1,983,841,208,671.56/1,242,005.80
  6. Step 6: Final answer
    x = 1,597,288.20

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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.