Home / 5,309,253-7,963,908.66-1,320,165

Finding the Fourth Proportional to 5,309,253, 7,963,908.66 and 1,320,165

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Solution

The fourth proportional to 5,309,253, 7,963,908.66 and 1,320,165 is: 1,980,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,253 : 7,963,908.66 = 1,320,165 : x
  2. Step 2: Convert to fraction form
    5,309,253/7,963,908.66 = 1,320,165/x
  3. Step 3: Cross multiply
    5,309,253x = 7,963,908.66 × 1,320,165
  4. Step 4: Simplify right side
    5,309,253x = 10,513,673,476,128.90
  5. Step 5: Solve for x
    x = 10,513,673,476,128.90/5,309,253
  6. Step 6: Final answer
    x = 1,980,254.75

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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.