Home / 1,302,015.90-1,796,796.32-721,247.93

Finding the Fourth Proportional to 1,302,015.90, 1,796,796.32 and 721,247.93

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Solution

The fourth proportional to 1,302,015.90, 1,796,796.32 and 721,247.93 is: 995,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,015.90 : 1,796,796.32 = 721,247.93 : x
  2. Step 2: Convert to fraction form
    1,302,015.90/1,796,796.32 = 721,247.93/x
  3. Step 3: Cross multiply
    1,302,015.90x = 1,796,796.32 × 721,247.93
  4. Step 4: Simplify right side
    1,302,015.90x = 1,295,935,613,841.40
  5. Step 5: Solve for x
    x = 1,295,935,613,841.40/1,302,015.90
  6. Step 6: Final answer
    x = 995,330.10

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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.