Home / 1,228,639.13-1,842,834.15-329,964.10

Finding the Fourth Proportional to 1,228,639.13, 1,842,834.15 and 329,964.10

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Solution

The fourth proportional to 1,228,639.13, 1,842,834.15 and 329,964.10 is: 494,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,639.13 : 1,842,834.15 = 329,964.10 : x
  2. Step 2: Convert to fraction form
    1,228,639.13/1,842,834.15 = 329,964.10/x
  3. Step 3: Cross multiply
    1,228,639.13x = 1,842,834.15 × 329,964.10
  4. Step 4: Simplify right side
    1,228,639.13x = 608,069,111,754.02
  5. Step 5: Solve for x
    x = 608,069,111,754.02/1,228,639.13
  6. Step 6: Final answer
    x = 494,912.70

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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.