Home / 1,228,498.38-1,842,747.84-480,019.50

Finding the Fourth Proportional to 1,228,498.38, 1,842,747.84 and 480,019.50

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Solution

The fourth proportional to 1,228,498.38, 1,842,747.84 and 480,019.50 is: 720,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,498.38 : 1,842,747.84 = 480,019.50 : x
  2. Step 2: Convert to fraction form
    1,228,498.38/1,842,747.84 = 480,019.50/x
  3. Step 3: Cross multiply
    1,228,498.38x = 1,842,747.84 × 480,019.50
  4. Step 4: Simplify right side
    1,228,498.38x = 884,554,896,782.88
  5. Step 5: Solve for x
    x = 884,554,896,782.88/1,228,498.38
  6. Step 6: Final answer
    x = 720,029.36

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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.