Home / 1,331,796.25-1,997,712.83-433,242.70

Finding the Fourth Proportional to 1,331,796.25, 1,997,712.83 and 433,242.70

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Solution

The fourth proportional to 1,331,796.25, 1,997,712.83 and 433,242.70 is: 649,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,796.25 : 1,997,712.83 = 433,242.70 : x
  2. Step 2: Convert to fraction form
    1,331,796.25/1,997,712.83 = 433,242.70/x
  3. Step 3: Cross multiply
    1,331,796.25x = 1,997,712.83 × 433,242.70
  4. Step 4: Simplify right side
    1,331,796.25x = 865,494,500,293.84
  5. Step 5: Solve for x
    x = 865,494,500,293.84/1,331,796.25
  6. Step 6: Final answer
    x = 649,870.05

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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.