Home / 1,327,210.02-1,990,814.49-329,938.02

Finding the Fourth Proportional to 1,327,210.02, 1,990,814.49 and 329,938.02

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Solution

The fourth proportional to 1,327,210.02, 1,990,814.49 and 329,938.02 is: 494,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,210.02 : 1,990,814.49 = 329,938.02 : x
  2. Step 2: Convert to fraction form
    1,327,210.02/1,990,814.49 = 329,938.02/x
  3. Step 3: Cross multiply
    1,327,210.02x = 1,990,814.49 × 329,938.02
  4. Step 4: Simplify right side
    1,327,210.02x = 656,845,391,017.91
  5. Step 5: Solve for x
    x = 656,845,391,017.91/1,327,210.02
  6. Step 6: Final answer
    x = 494,906.90

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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.