Home / 1,021,176.15-1,531,821.83-311,227.35

Finding the Fourth Proportional to 1,021,176.15, 1,531,821.83 and 311,227.35

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Solution

The fourth proportional to 1,021,176.15, 1,531,821.83 and 311,227.35 is: 466,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,176.15 : 1,531,821.83 = 311,227.35 : x
  2. Step 2: Convert to fraction form
    1,021,176.15/1,531,821.83 = 311,227.35/x
  3. Step 3: Cross multiply
    1,021,176.15x = 1,531,821.83 × 311,227.35
  4. Step 4: Simplify right side
    1,021,176.15x = 476,744,847,266.91
  5. Step 5: Solve for x
    x = 476,744,847,266.91/1,021,176.15
  6. Step 6: Final answer
    x = 466,858.58

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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.