Home / 1,276,884.20-1,762,179.54-703,923.32

Finding the Fourth Proportional to 1,276,884.20, 1,762,179.54 and 703,923.32

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Solution

The fourth proportional to 1,276,884.20, 1,762,179.54 and 703,923.32 is: 971,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,884.20 : 1,762,179.54 = 703,923.32 : x
  2. Step 2: Convert to fraction form
    1,276,884.20/1,762,179.54 = 703,923.32/x
  3. Step 3: Cross multiply
    1,276,884.20x = 1,762,179.54 × 703,923.32
  4. Step 4: Simplify right side
    1,276,884.20x = 1,240,439,272,232.87
  5. Step 5: Solve for x
    x = 1,240,439,272,232.87/1,276,884.20
  6. Step 6: Final answer
    x = 971,457.92

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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.