Home / 861,090.58-1,290,992.37-594,089.20

Finding the Fourth Proportional to 861,090.58, 1,290,992.37 and 594,089.20

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Solution

The fourth proportional to 861,090.58, 1,290,992.37 and 594,089.20 is: 890,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,090.58 : 1,290,992.37 = 594,089.20 : x
  2. Step 2: Convert to fraction form
    861,090.58/1,290,992.37 = 594,089.20/x
  3. Step 3: Cross multiply
    861,090.58x = 1,290,992.37 × 594,089.20
  4. Step 4: Simplify right side
    861,090.58x = 766,964,624,299.40
  5. Step 5: Solve for x
    x = 766,964,624,299.40/861,090.58
  6. Step 6: Final answer
    x = 890,689.83

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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.