Home / 1,507,971.02-2,080,992.20-819,646.58

Finding the Fourth Proportional to 1,507,971.02, 2,080,992.20 and 819,646.58

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Solution

The fourth proportional to 1,507,971.02, 2,080,992.20 and 819,646.58 is: 1,131,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,971.02 : 2,080,992.20 = 819,646.58 : x
  2. Step 2: Convert to fraction form
    1,507,971.02/2,080,992.20 = 819,646.58/x
  3. Step 3: Cross multiply
    1,507,971.02x = 2,080,992.20 × 819,646.58
  4. Step 4: Simplify right side
    1,507,971.02x = 1,705,678,143,914.60
  5. Step 5: Solve for x
    x = 1,705,678,143,914.60/1,507,971.02
  6. Step 6: Final answer
    x = 1,131,108.04

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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.