Home / 1,080,938.57-1,621,474.72-361,345.03

Finding the Fourth Proportional to 1,080,938.57, 1,621,474.72 and 361,345.03

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Solution

The fourth proportional to 1,080,938.57, 1,621,474.72 and 361,345.03 is: 542,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,938.57 : 1,621,474.72 = 361,345.03 : x
  2. Step 2: Convert to fraction form
    1,080,938.57/1,621,474.72 = 361,345.03/x
  3. Step 3: Cross multiply
    1,080,938.57x = 1,621,474.72 × 361,345.03
  4. Step 4: Simplify right side
    1,080,938.57x = 585,911,826,385.59
  5. Step 5: Solve for x
    x = 585,911,826,385.59/1,080,938.57
  6. Step 6: Final answer
    x = 542,039.89

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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.