Home / 1,555,335.60-2,332,781.92-490,239.24

Finding the Fourth Proportional to 1,555,335.60, 2,332,781.92 and 490,239.24

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Solution

The fourth proportional to 1,555,335.60, 2,332,781.92 and 490,239.24 is: 735,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,335.60 : 2,332,781.92 = 490,239.24 : x
  2. Step 2: Convert to fraction form
    1,555,335.60/2,332,781.92 = 490,239.24/x
  3. Step 3: Cross multiply
    1,555,335.60x = 2,332,781.92 × 490,239.24
  4. Step 4: Simplify right side
    1,555,335.60x = 1,143,621,235,546.54
  5. Step 5: Solve for x
    x = 1,143,621,235,546.54/1,555,335.60
  6. Step 6: Final answer
    x = 735,289.05

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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.