Home / 1,228,639.52-1,842,834.71-329,964.47

Finding the Fourth Proportional to 1,228,639.52, 1,842,834.71 and 329,964.47

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Solution

The fourth proportional to 1,228,639.52, 1,842,834.71 and 329,964.47 is: 494,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,639.52 : 1,842,834.71 = 329,964.47 : x
  2. Step 2: Convert to fraction form
    1,228,639.52/1,842,834.71 = 329,964.47/x
  3. Step 3: Cross multiply
    1,228,639.52x = 1,842,834.71 × 329,964.47
  4. Step 4: Simplify right side
    1,228,639.52x = 608,069,976,904.12
  5. Step 5: Solve for x
    x = 608,069,976,904.12/1,228,639.52
  6. Step 6: Final answer
    x = 494,913.25

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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.