Home / 1,048,742.36-1,447,375.44-641,082.82

Finding the Fourth Proportional to 1,048,742.36, 1,447,375.44 and 641,082.82

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Solution

The fourth proportional to 1,048,742.36, 1,447,375.44 and 641,082.82 is: 884,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,742.36 : 1,447,375.44 = 641,082.82 : x
  2. Step 2: Convert to fraction form
    1,048,742.36/1,447,375.44 = 641,082.82/x
  3. Step 3: Cross multiply
    1,048,742.36x = 1,447,375.44 × 641,082.82
  4. Step 4: Simplify right side
    1,048,742.36x = 927,887,528,673.94
  5. Step 5: Solve for x
    x = 927,887,528,673.94/1,048,742.36
  6. Step 6: Final answer
    x = 884,762.13

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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.