Home / 1,252,589.70-1,728,659.25-708,725.46

Finding the Fourth Proportional to 1,252,589.70, 1,728,659.25 and 708,725.46

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Solution

The fourth proportional to 1,252,589.70, 1,728,659.25 and 708,725.46 is: 978,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,589.70 : 1,728,659.25 = 708,725.46 : x
  2. Step 2: Convert to fraction form
    1,252,589.70/1,728,659.25 = 708,725.46/x
  3. Step 3: Cross multiply
    1,252,589.70x = 1,728,659.25 × 708,725.46
  4. Step 4: Simplify right side
    1,252,589.70x = 1,225,144,822,139.50
  5. Step 5: Solve for x
    x = 1,225,144,822,139.50/1,252,589.70
  6. Step 6: Final answer
    x = 978,089.49

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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.