Home / 1,617,309.40-2,425,623.90-817,839.40

Finding the Fourth Proportional to 1,617,309.40, 2,425,623.90 and 817,839.40

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Solution

The fourth proportional to 1,617,309.40, 2,425,623.90 and 817,839.40 is: 1,226,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,309.40 : 2,425,623.90 = 817,839.40 : x
  2. Step 2: Convert to fraction form
    1,617,309.40/2,425,623.90 = 817,839.40/x
  3. Step 3: Cross multiply
    1,617,309.40x = 2,425,623.90 × 817,839.40
  4. Step 4: Simplify right side
    1,617,309.40x = 1,983,770,795,001.66
  5. Step 5: Solve for x
    x = 1,983,770,795,001.66/1,617,309.40
  6. Step 6: Final answer
    x = 1,226,587.07

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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.