Home / 1,088,172.06-1,632,534.57-639,272.46

Finding the Fourth Proportional to 1,088,172.06, 1,632,534.57 and 639,272.46

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Solution

The fourth proportional to 1,088,172.06, 1,632,534.57 and 639,272.46 is: 959,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,172.06 : 1,632,534.57 = 639,272.46 : x
  2. Step 2: Convert to fraction form
    1,088,172.06/1,632,534.57 = 639,272.46/x
  3. Step 3: Cross multiply
    1,088,172.06x = 1,632,534.57 × 639,272.46
  4. Step 4: Simplify right side
    1,088,172.06x = 1,043,634,390,598.94
  5. Step 5: Solve for x
    x = 1,043,634,390,598.94/1,088,172.06
  6. Step 6: Final answer
    x = 959,071.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.