Home / 1,252,749.42-1,728,770.22-708,875.31

Finding the Fourth Proportional to 1,252,749.42, 1,728,770.22 and 708,875.31

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Solution

The fourth proportional to 1,252,749.42, 1,728,770.22 and 708,875.31 is: 978,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,749.42 : 1,728,770.22 = 708,875.31 : x
  2. Step 2: Convert to fraction form
    1,252,749.42/1,728,770.22 = 708,875.31/x
  3. Step 3: Cross multiply
    1,252,749.42x = 1,728,770.22 × 708,875.31
  4. Step 4: Simplify right side
    1,252,749.42x = 1,225,482,525,621.27
  5. Step 5: Solve for x
    x = 1,225,482,525,621.27/1,252,749.42
  6. Step 6: Final answer
    x = 978,234.36

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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.