Home / 1,301,926.77-1,796,579.69-721,115.47

Finding the Fourth Proportional to 1,301,926.77, 1,796,579.69 and 721,115.47

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Solution

The fourth proportional to 1,301,926.77, 1,796,579.69 and 721,115.47 is: 995,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,926.77 : 1,796,579.69 = 721,115.47 : x
  2. Step 2: Convert to fraction form
    1,301,926.77/1,796,579.69 = 721,115.47/x
  3. Step 3: Cross multiply
    1,301,926.77x = 1,796,579.69 × 721,115.47
  4. Step 4: Simplify right side
    1,301,926.77x = 1,295,541,406,186.95
  5. Step 5: Solve for x
    x = 1,295,541,406,186.95/1,301,926.77
  6. Step 6: Final answer
    x = 995,095.45

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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.