Home / 1,276,905.25-1,762,141.26-703,965.92

Finding the Fourth Proportional to 1,276,905.25, 1,762,141.26 and 703,965.92

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Solution

The fourth proportional to 1,276,905.25, 1,762,141.26 and 703,965.92 is: 971,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,905.25 : 1,762,141.26 = 703,965.92 : x
  2. Step 2: Convert to fraction form
    1,276,905.25/1,762,141.26 = 703,965.92/x
  3. Step 3: Cross multiply
    1,276,905.25x = 1,762,141.26 × 703,965.92
  4. Step 4: Simplify right side
    1,276,905.25x = 1,240,487,393,265.86
  5. Step 5: Solve for x
    x = 1,240,487,393,265.86/1,276,905.25
  6. Step 6: Final answer
    x = 971,479.60

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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.