Home / 1,555,289.30-2,332,712.52-490,192.97

Finding the Fourth Proportional to 1,555,289.30, 2,332,712.52 and 490,192.97

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Solution

The fourth proportional to 1,555,289.30, 2,332,712.52 and 490,192.97 is: 735,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,289.30 : 2,332,712.52 = 490,192.97 : x
  2. Step 2: Convert to fraction form
    1,555,289.30/2,332,712.52 = 490,192.97/x
  3. Step 3: Cross multiply
    1,555,289.30x = 2,332,712.52 × 490,192.97
  4. Step 4: Simplify right side
    1,555,289.30x = 1,143,479,266,671.42
  5. Step 5: Solve for x
    x = 1,143,479,266,671.42/1,555,289.30
  6. Step 6: Final answer
    x = 735,219.66

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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.