Home / 1,106,998.40-1,659,460.80-866,979.20

Finding the Fourth Proportional to 1,106,998.40, 1,659,460.80 and 866,979.20

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Solution

The fourth proportional to 1,106,998.40, 1,659,460.80 and 866,979.20 is: 1,299,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,998.40 : 1,659,460.80 = 866,979.20 : x
  2. Step 2: Convert to fraction form
    1,106,998.40/1,659,460.80 = 866,979.20/x
  3. Step 3: Cross multiply
    1,106,998.40x = 1,659,460.80 × 866,979.20
  4. Step 4: Simplify right side
    1,106,998.40x = 1,438,717,996,815.36
  5. Step 5: Solve for x
    x = 1,438,717,996,815.36/1,106,998.40
  6. Step 6: Final answer
    x = 1,299,656.80

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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.