Home / 1,037,174.18-1,555,989.78-317,521.33

Finding the Fourth Proportional to 1,037,174.18, 1,555,989.78 and 317,521.33

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Solution

The fourth proportional to 1,037,174.18, 1,555,989.78 and 317,521.33 is: 476,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,174.18 : 1,555,989.78 = 317,521.33 : x
  2. Step 2: Convert to fraction form
    1,037,174.18/1,555,989.78 = 317,521.33/x
  3. Step 3: Cross multiply
    1,037,174.18x = 1,555,989.78 × 317,521.33
  4. Step 4: Simplify right side
    1,037,174.18x = 494,059,944,412.01
  5. Step 5: Solve for x
    x = 494,059,944,412.01/1,037,174.18
  6. Step 6: Final answer
    x = 476,351.95

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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.