Home / 1,039,161.68-1,433,889.36-631,051.28

Finding the Fourth Proportional to 1,039,161.68, 1,433,889.36 and 631,051.28

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Solution

The fourth proportional to 1,039,161.68, 1,433,889.36 and 631,051.28 is: 870,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,161.68 : 1,433,889.36 = 631,051.28 : x
  2. Step 2: Convert to fraction form
    1,039,161.68/1,433,889.36 = 631,051.28/x
  3. Step 3: Cross multiply
    1,039,161.68x = 1,433,889.36 × 631,051.28
  4. Step 4: Simplify right side
    1,039,161.68x = 904,857,716,006.38
  5. Step 5: Solve for x
    x = 904,857,716,006.38/1,039,161.68
  6. Step 6: Final answer
    x = 870,757.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.