Home / 1,389,562.22-2,083,968.34-490,885.62

Finding the Fourth Proportional to 1,389,562.22, 2,083,968.34 and 490,885.62

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Solution

The fourth proportional to 1,389,562.22, 2,083,968.34 and 490,885.62 is: 736,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,562.22 : 2,083,968.34 = 490,885.62 : x
  2. Step 2: Convert to fraction form
    1,389,562.22/2,083,968.34 = 490,885.62/x
  3. Step 3: Cross multiply
    1,389,562.22x = 2,083,968.34 × 490,885.62
  4. Step 4: Simplify right side
    1,389,562.22x = 1,022,990,090,641.27
  5. Step 5: Solve for x
    x = 1,022,990,090,641.27/1,389,562.22
  6. Step 6: Final answer
    x = 736,195.96

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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.