Home / 1,100,674.38-1,518,287.20-692,129.42

Finding the Fourth Proportional to 1,100,674.38, 1,518,287.20 and 692,129.42

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Solution

The fourth proportional to 1,100,674.38, 1,518,287.20 and 692,129.42 is: 954,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,674.38 : 1,518,287.20 = 692,129.42 : x
  2. Step 2: Convert to fraction form
    1,100,674.38/1,518,287.20 = 692,129.42/x
  3. Step 3: Cross multiply
    1,100,674.38x = 1,518,287.20 × 692,129.42
  4. Step 4: Simplify right side
    1,100,674.38x = 1,050,851,239,129.42
  5. Step 5: Solve for x
    x = 1,050,851,239,129.42/1,100,674.38
  6. Step 6: Final answer
    x = 954,733.99

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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.