Home / 1,021,008.01-1,531,524.32-311,042.20

Finding the Fourth Proportional to 1,021,008.01, 1,531,524.32 and 311,042.20

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Solution

The fourth proportional to 1,021,008.01, 1,531,524.32 and 311,042.20 is: 466,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,008.01 : 1,531,524.32 = 311,042.20 : x
  2. Step 2: Convert to fraction form
    1,021,008.01/1,531,524.32 = 311,042.20/x
  3. Step 3: Cross multiply
    1,021,008.01x = 1,531,524.32 × 311,042.20
  4. Step 4: Simplify right side
    1,021,008.01x = 476,368,697,245.10
  5. Step 5: Solve for x
    x = 476,368,697,245.10/1,021,008.01
  6. Step 6: Final answer
    x = 466,567.05

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1.5x scale

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.