Home / 1,253,340.55-1,729,830.86-709,507.27

Finding the Fourth Proportional to 1,253,340.55, 1,729,830.86 and 709,507.27

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Solution

The fourth proportional to 1,253,340.55, 1,729,830.86 and 709,507.27 is: 979,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,340.55 : 1,729,830.86 = 709,507.27 : x
  2. Step 2: Convert to fraction form
    1,253,340.55/1,729,830.86 = 709,507.27/x
  3. Step 3: Cross multiply
    1,253,340.55x = 1,729,830.86 × 709,507.27
  4. Step 4: Simplify right side
    1,253,340.55x = 1,227,327,571,040.35
  5. Step 5: Solve for x
    x = 1,227,327,571,040.35/1,253,340.55
  6. Step 6: Final answer
    x = 979,245.08

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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.