Home / 1,330,818.12-1,836,567-742,131.36

Finding the Fourth Proportional to 1,330,818.12, 1,836,567 and 742,131.36

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Solution

The fourth proportional to 1,330,818.12, 1,836,567 and 742,131.36 is: 1,024,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,818.12 : 1,836,567 = 742,131.36 : x
  2. Step 2: Convert to fraction form
    1,330,818.12/1,836,567 = 742,131.36/x
  3. Step 3: Cross multiply
    1,330,818.12x = 1,836,567 × 742,131.36
  4. Step 4: Simplify right side
    1,330,818.12x = 1,362,973,965,441.12
  5. Step 5: Solve for x
    x = 1,362,973,965,441.12/1,330,818.12
  6. Step 6: Final answer
    x = 1,024,162.46

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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.