Home / 1,236,427.32-1,706,127.66-692,487.48

Finding the Fourth Proportional to 1,236,427.32, 1,706,127.66 and 692,487.48

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Solution

The fourth proportional to 1,236,427.32, 1,706,127.66 and 692,487.48 is: 955,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,427.32 : 1,706,127.66 = 692,487.48 : x
  2. Step 2: Convert to fraction form
    1,236,427.32/1,706,127.66 = 692,487.48/x
  3. Step 3: Cross multiply
    1,236,427.32x = 1,706,127.66 × 692,487.48
  4. Step 4: Simplify right side
    1,236,427.32x = 1,181,472,043,831.70
  5. Step 5: Solve for x
    x = 1,181,472,043,831.70/1,236,427.32
  6. Step 6: Final answer
    x = 955,553.17

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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.