Home / 1,808,156.71-2,713,120.13-728,624.35

Finding the Fourth Proportional to 1,808,156.71, 2,713,120.13 and 728,624.35

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Solution

The fourth proportional to 1,808,156.71, 2,713,120.13 and 728,624.35 is: 1,093,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,156.71 : 2,713,120.13 = 728,624.35 : x
  2. Step 2: Convert to fraction form
    1,808,156.71/2,713,120.13 = 728,624.35/x
  3. Step 3: Cross multiply
    1,808,156.71x = 2,713,120.13 × 728,624.35
  4. Step 4: Simplify right side
    1,808,156.71x = 1,976,845,387,550.04
  5. Step 5: Solve for x
    x = 1,976,845,387,550.04/1,808,156.71
  6. Step 6: Final answer
    x = 1,093,293.17

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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.