Home / 1,213,175.14-1,674,123.26-661,858.02

Finding the Fourth Proportional to 1,213,175.14, 1,674,123.26 and 661,858.02

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Solution

The fourth proportional to 1,213,175.14, 1,674,123.26 and 661,858.02 is: 913,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,175.14 : 1,674,123.26 = 661,858.02 : x
  2. Step 2: Convert to fraction form
    1,213,175.14/1,674,123.26 = 661,858.02/x
  3. Step 3: Cross multiply
    1,213,175.14x = 1,674,123.26 × 661,858.02
  4. Step 4: Simplify right side
    1,213,175.14x = 1,108,031,906,099.55
  5. Step 5: Solve for x
    x = 1,108,031,906,099.55/1,213,175.14
  6. Step 6: Final answer
    x = 913,332.19

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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.