Home / 1,184,831.52-1,635,059.88-640,965.12

Finding the Fourth Proportional to 1,184,831.52, 1,635,059.88 and 640,965.12

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Solution

The fourth proportional to 1,184,831.52, 1,635,059.88 and 640,965.12 is: 884,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,831.52 : 1,635,059.88 = 640,965.12 : x
  2. Step 2: Convert to fraction form
    1,184,831.52/1,635,059.88 = 640,965.12/x
  3. Step 3: Cross multiply
    1,184,831.52x = 1,635,059.88 × 640,965.12
  4. Step 4: Simplify right side
    1,184,831.52x = 1,048,016,352,191.39
  5. Step 5: Solve for x
    x = 1,048,016,352,191.39/1,184,831.52
  6. Step 6: Final answer
    x = 884,527.74

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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.