Home / 1,276,906.25-1,762,142.64-703,966.92

Finding the Fourth Proportional to 1,276,906.25, 1,762,142.64 and 703,966.92

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Solution

The fourth proportional to 1,276,906.25, 1,762,142.64 and 703,966.92 is: 971,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,906.25 : 1,762,142.64 = 703,966.92 : x
  2. Step 2: Convert to fraction form
    1,276,906.25/1,762,142.64 = 703,966.92/x
  3. Step 3: Cross multiply
    1,276,906.25x = 1,762,142.64 × 703,966.92
  4. Step 4: Simplify right side
    1,276,906.25x = 1,240,490,126,881.47
  5. Step 5: Solve for x
    x = 1,240,490,126,881.47/1,276,906.25
  6. Step 6: Final answer
    x = 971,480.97

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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.