Home / 1,331,798.61-1,997,716.32-433,245.05

Finding the Fourth Proportional to 1,331,798.61, 1,997,716.32 and 433,245.05

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Solution

The fourth proportional to 1,331,798.61, 1,997,716.32 and 433,245.05 is: 649,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,798.61 : 1,997,716.32 = 433,245.05 : x
  2. Step 2: Convert to fraction form
    1,331,798.61/1,997,716.32 = 433,245.05/x
  3. Step 3: Cross multiply
    1,331,798.61x = 1,997,716.32 × 433,245.05
  4. Step 4: Simplify right side
    1,331,798.61x = 865,500,706,944.22
  5. Step 5: Solve for x
    x = 865,500,706,944.22/1,331,798.61
  6. Step 6: Final answer
    x = 649,873.56

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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.