Home / 976,606.07-1,463,137.43-721,071.52

Finding the Fourth Proportional to 976,606.07, 1,463,137.43 and 721,071.52

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Solution

The fourth proportional to 976,606.07, 1,463,137.43 and 721,071.52 is: 1,080,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,606.07 : 1,463,137.43 = 721,071.52 : x
  2. Step 2: Convert to fraction form
    976,606.07/1,463,137.43 = 721,071.52/x
  3. Step 3: Cross multiply
    976,606.07x = 1,463,137.43 × 721,071.52
  4. Step 4: Simplify right side
    976,606.07x = 1,055,026,723,355.79
  5. Step 5: Solve for x
    x = 1,055,026,723,355.79/976,606.07
  6. Step 6: Final answer
    x = 1,080,299.17

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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.