Home / 1,253,150.03-1,729,050.68-709,285.84

Finding the Fourth Proportional to 1,253,150.03, 1,729,050.68 and 709,285.84

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Solution

The fourth proportional to 1,253,150.03, 1,729,050.68 and 709,285.84 is: 978,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,150.03 : 1,729,050.68 = 709,285.84 : x
  2. Step 2: Convert to fraction form
    1,253,150.03/1,729,050.68 = 709,285.84/x
  3. Step 3: Cross multiply
    1,253,150.03x = 1,729,050.68 × 709,285.84
  4. Step 4: Simplify right side
    1,253,150.03x = 1,226,391,161,416.96
  5. Step 5: Solve for x
    x = 1,226,391,161,416.96/1,253,150.03
  6. Step 6: Final answer
    x = 978,646.71

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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.