Home / 1,072,127.88-1,479,611.88-708,920.64

Finding the Fourth Proportional to 1,072,127.88, 1,479,611.88 and 708,920.64

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Solution

The fourth proportional to 1,072,127.88, 1,479,611.88 and 708,920.64 is: 978,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,127.88 : 1,479,611.88 = 708,920.64 : x
  2. Step 2: Convert to fraction form
    1,072,127.88/1,479,611.88 = 708,920.64/x
  3. Step 3: Cross multiply
    1,072,127.88x = 1,479,611.88 × 708,920.64
  4. Step 4: Simplify right side
    1,072,127.88x = 1,048,927,400,921.20
  5. Step 5: Solve for x
    x = 1,048,927,400,921.20/1,072,127.88
  6. Step 6: Final answer
    x = 978,360.34

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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.