Home / 1,080,769.28-1,621,186.95-370,787.36

Finding the Fourth Proportional to 1,080,769.28, 1,621,186.95 and 370,787.36

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Solution

The fourth proportional to 1,080,769.28, 1,621,186.95 and 370,787.36 is: 556,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,769.28 : 1,621,186.95 = 370,787.36 : x
  2. Step 2: Convert to fraction form
    1,080,769.28/1,621,186.95 = 370,787.36/x
  3. Step 3: Cross multiply
    1,080,769.28x = 1,621,186.95 × 370,787.36
  4. Step 4: Simplify right side
    1,080,769.28x = 601,115,619,297.08
  5. Step 5: Solve for x
    x = 601,115,619,297.08/1,080,769.28
  6. Step 6: Final answer
    x = 556,192.37

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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.