Home / 1,330,479.60-1,836,022.68-726,867.60

Finding the Fourth Proportional to 1,330,479.60, 1,836,022.68 and 726,867.60

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Solution

The fourth proportional to 1,330,479.60, 1,836,022.68 and 726,867.60 is: 1,003,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,479.60 : 1,836,022.68 = 726,867.60 : x
  2. Step 2: Convert to fraction form
    1,330,479.60/1,836,022.68 = 726,867.60/x
  3. Step 3: Cross multiply
    1,330,479.60x = 1,836,022.68 × 726,867.60
  4. Step 4: Simplify right side
    1,330,479.60x = 1,334,545,398,957.17
  5. Step 5: Solve for x
    x = 1,334,545,398,957.17/1,330,479.60
  6. Step 6: Final answer
    x = 1,003,055.89

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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.