Home / 1,120,935.65-1,546,487.03-862,891.52

Finding the Fourth Proportional to 1,120,935.65, 1,546,487.03 and 862,891.52

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Solution

The fourth proportional to 1,120,935.65, 1,546,487.03 and 862,891.52 is: 1,190,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,935.65 : 1,546,487.03 = 862,891.52 : x
  2. Step 2: Convert to fraction form
    1,120,935.65/1,546,487.03 = 862,891.52/x
  3. Step 3: Cross multiply
    1,120,935.65x = 1,546,487.03 × 862,891.52
  4. Step 4: Simplify right side
    1,120,935.65x = 1,334,450,538,401.78
  5. Step 5: Solve for x
    x = 1,334,450,538,401.78/1,120,935.65
  6. Step 6: Final answer
    x = 1,190,479.17

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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.