Home / 1,213,126.47-1,674,144.86-748,082.79

Finding the Fourth Proportional to 1,213,126.47, 1,674,144.86 and 748,082.79

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Solution

The fourth proportional to 1,213,126.47, 1,674,144.86 and 748,082.79 is: 1,032,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,126.47 : 1,674,144.86 = 748,082.79 : x
  2. Step 2: Convert to fraction form
    1,213,126.47/1,674,144.86 = 748,082.79/x
  3. Step 3: Cross multiply
    1,213,126.47x = 1,674,144.86 × 748,082.79
  4. Step 4: Simplify right side
    1,213,126.47x = 1,252,398,953,992.55
  5. Step 5: Solve for x
    x = 1,252,398,953,992.55/1,213,126.47
  6. Step 6: Final answer
    x = 1,032,372.95

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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.