Home / 1,278,846.94-1,764,808.95-705,887.32

Finding the Fourth Proportional to 1,278,846.94, 1,764,808.95 and 705,887.32

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Solution

The fourth proportional to 1,278,846.94, 1,764,808.95 and 705,887.32 is: 974,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,846.94 : 1,764,808.95 = 705,887.32 : x
  2. Step 2: Convert to fraction form
    1,278,846.94/1,764,808.95 = 705,887.32/x
  3. Step 3: Cross multiply
    1,278,846.94x = 1,764,808.95 × 705,887.32
  4. Step 4: Simplify right side
    1,278,846.94x = 1,245,756,260,027.51
  5. Step 5: Solve for x
    x = 1,245,756,260,027.51/1,278,846.94
  6. Step 6: Final answer
    x = 974,124.60

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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.