Home / 1,278,507.79-1,765,004.03-933,956.88

Finding the Fourth Proportional to 1,278,507.79, 1,765,004.03 and 933,956.88

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Solution

The fourth proportional to 1,278,507.79, 1,765,004.03 and 933,956.88 is: 1,289,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,507.79 : 1,765,004.03 = 933,956.88 : x
  2. Step 2: Convert to fraction form
    1,278,507.79/1,765,004.03 = 933,956.88/x
  3. Step 3: Cross multiply
    1,278,507.79x = 1,765,004.03 × 933,956.88
  4. Step 4: Simplify right side
    1,278,507.79x = 1,648,437,657,046.23
  5. Step 5: Solve for x
    x = 1,648,437,657,046.23/1,278,507.79
  6. Step 6: Final answer
    x = 1,289,345.02

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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.