Home / 916,837.69-1,376,161.62-688,338.57

Finding the Fourth Proportional to 916,837.69, 1,376,161.62 and 688,338.57

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Solution

The fourth proportional to 916,837.69, 1,376,161.62 and 688,338.57 is: 1,033,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,837.69 : 1,376,161.62 = 688,338.57 : x
  2. Step 2: Convert to fraction form
    916,837.69/1,376,161.62 = 688,338.57/x
  3. Step 3: Cross multiply
    916,837.69x = 1,376,161.62 × 688,338.57
  4. Step 4: Simplify right side
    916,837.69x = 947,265,121,599.68
  5. Step 5: Solve for x
    x = 947,265,121,599.68/916,837.69
  6. Step 6: Final answer
    x = 1,033,187.37

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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.