Home / 1,260,720.14-1,739,659.63-709,426.22

Finding the Fourth Proportional to 1,260,720.14, 1,739,659.63 and 709,426.22

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Solution

The fourth proportional to 1,260,720.14, 1,739,659.63 and 709,426.22 is: 978,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,720.14 : 1,739,659.63 = 709,426.22 : x
  2. Step 2: Convert to fraction form
    1,260,720.14/1,739,659.63 = 709,426.22/x
  3. Step 3: Cross multiply
    1,260,720.14x = 1,739,659.63 × 709,426.22
  4. Step 4: Simplify right side
    1,260,720.14x = 1,234,160,151,850.37
  5. Step 5: Solve for x
    x = 1,234,160,151,850.37/1,260,720.14
  6. Step 6: Final answer
    x = 978,932.69

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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.