Home / 1,507,555.90-2,080,506.77-854,308.45

Finding the Fourth Proportional to 1,507,555.90, 2,080,506.77 and 854,308.45

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Solution

The fourth proportional to 1,507,555.90, 2,080,506.77 and 854,308.45 is: 1,178,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,555.90 : 2,080,506.77 = 854,308.45 : x
  2. Step 2: Convert to fraction form
    1,507,555.90/2,080,506.77 = 854,308.45/x
  3. Step 3: Cross multiply
    1,507,555.90x = 2,080,506.77 × 854,308.45
  4. Step 4: Simplify right side
    1,507,555.90x = 1,777,394,513,893.21
  5. Step 5: Solve for x
    x = 1,777,394,513,893.21/1,507,555.90
  6. Step 6: Final answer
    x = 1,178,990.78

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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.