Home / 1,276,246.62-1,914,300.81-389,713.50

Finding the Fourth Proportional to 1,276,246.62, 1,914,300.81 and 389,713.50

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Solution

The fourth proportional to 1,276,246.62, 1,914,300.81 and 389,713.50 is: 584,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,246.62 : 1,914,300.81 = 389,713.50 : x
  2. Step 2: Convert to fraction form
    1,276,246.62/1,914,300.81 = 389,713.50/x
  3. Step 3: Cross multiply
    1,276,246.62x = 1,914,300.81 × 389,713.50
  4. Step 4: Simplify right side
    1,276,246.62x = 746,028,868,717.94
  5. Step 5: Solve for x
    x = 746,028,868,717.94/1,276,246.62
  6. Step 6: Final answer
    x = 584,549.14

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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.