Home / 1,215,842.90-1,823,801.39-417,113.13

Finding the Fourth Proportional to 1,215,842.90, 1,823,801.39 and 417,113.13

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Solution

The fourth proportional to 1,215,842.90, 1,823,801.39 and 417,113.13 is: 625,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,842.90 : 1,823,801.39 = 417,113.13 : x
  2. Step 2: Convert to fraction form
    1,215,842.90/1,823,801.39 = 417,113.13/x
  3. Step 3: Cross multiply
    1,215,842.90x = 1,823,801.39 × 417,113.13
  4. Step 4: Simplify right side
    1,215,842.90x = 760,731,504,195.69
  5. Step 5: Solve for x
    x = 760,731,504,195.69/1,215,842.90
  6. Step 6: Final answer
    x = 625,682.40

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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.