Home / 1,420,834.14-1,960,752.96-808,960.14

Finding the Fourth Proportional to 1,420,834.14, 1,960,752.96 and 808,960.14

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Solution

The fourth proportional to 1,420,834.14, 1,960,752.96 and 808,960.14 is: 1,116,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,834.14 : 1,960,752.96 = 808,960.14 : x
  2. Step 2: Convert to fraction form
    1,420,834.14/1,960,752.96 = 808,960.14/x
  3. Step 3: Cross multiply
    1,420,834.14x = 1,960,752.96 × 808,960.14
  4. Step 4: Simplify right side
    1,420,834.14x = 1,586,170,989,027.01
  5. Step 5: Solve for x
    x = 1,586,170,989,027.01/1,420,834.14
  6. Step 6: Final answer
    x = 1,116,366.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.