Home / 882,001.60-1,321,034.10-681,672.40

Finding the Fourth Proportional to 882,001.60, 1,321,034.10 and 681,672.40

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Solution

The fourth proportional to 882,001.60, 1,321,034.10 and 681,672.40 is: 1,020,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,001.60 : 1,321,034.10 = 681,672.40 : x
  2. Step 2: Convert to fraction form
    882,001.60/1,321,034.10 = 681,672.40/x
  3. Step 3: Cross multiply
    882,001.60x = 1,321,034.10 × 681,672.40
  4. Step 4: Simplify right side
    882,001.60x = 900,512,485,428.84
  5. Step 5: Solve for x
    x = 900,512,485,428.84/882,001.60
  6. Step 6: Final answer
    x = 1,020,987.36

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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.