Home / 764,834.96-1,143,894.36-681,184.40

Finding the Fourth Proportional to 764,834.96, 1,143,894.36 and 681,184.40

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Solution

The fourth proportional to 764,834.96, 1,143,894.36 and 681,184.40 is: 1,018,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,834.96 : 1,143,894.36 = 681,184.40 : x
  2. Step 2: Convert to fraction form
    764,834.96/1,143,894.36 = 681,184.40/x
  3. Step 3: Cross multiply
    764,834.96x = 1,143,894.36 × 681,184.40
  4. Step 4: Simplify right side
    764,834.96x = 779,202,993,279.98
  5. Step 5: Solve for x
    x = 779,202,993,279.98/764,834.96
  6. Step 6: Final answer
    x = 1,018,785.80

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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.