Home / 1,079,831.20-1,618,825.20-763,292.32

Finding the Fourth Proportional to 1,079,831.20, 1,618,825.20 and 763,292.32

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Solution

The fourth proportional to 1,079,831.20, 1,618,825.20 and 763,292.32 is: 1,144,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,831.20 : 1,618,825.20 = 763,292.32 : x
  2. Step 2: Convert to fraction form
    1,079,831.20/1,618,825.20 = 763,292.32/x
  3. Step 3: Cross multiply
    1,079,831.20x = 1,618,825.20 × 763,292.32
  4. Step 4: Simplify right side
    1,079,831.20x = 1,235,636,842,582.46
  5. Step 5: Solve for x
    x = 1,235,636,842,582.46/1,079,831.20
  6. Step 6: Final answer
    x = 1,144,287.04

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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.