Home / 1,121,973.56-1,548,322.17-663,253.46

Finding the Fourth Proportional to 1,121,973.56, 1,548,322.17 and 663,253.46

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Solution

The fourth proportional to 1,121,973.56, 1,548,322.17 and 663,253.46 is: 915,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,973.56 : 1,548,322.17 = 663,253.46 : x
  2. Step 2: Convert to fraction form
    1,121,973.56/1,548,322.17 = 663,253.46/x
  3. Step 3: Cross multiply
    1,121,973.56x = 1,548,322.17 × 663,253.46
  4. Step 4: Simplify right side
    1,121,973.56x = 1,026,930,036,447.21
  5. Step 5: Solve for x
    x = 1,026,930,036,447.21/1,121,973.56
  6. Step 6: Final answer
    x = 915,288.98

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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.