Home / 1,420,687.88-1,960,619.28-808,852.76

Finding the Fourth Proportional to 1,420,687.88, 1,960,619.28 and 808,852.76

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Solution

The fourth proportional to 1,420,687.88, 1,960,619.28 and 808,852.76 is: 1,116,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,687.88 : 1,960,619.28 = 808,852.76 : x
  2. Step 2: Convert to fraction form
    1,420,687.88/1,960,619.28 = 808,852.76/x
  3. Step 3: Cross multiply
    1,420,687.88x = 1,960,619.28 × 808,852.76
  4. Step 4: Simplify right side
    1,420,687.88x = 1,585,852,315,937.21
  5. Step 5: Solve for x
    x = 1,585,852,315,937.21/1,420,687.88
  6. Step 6: Final answer
    x = 1,116,256.67

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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.