Home / 1,185,022.32-1,777,113.36-426,660.36

Finding the Fourth Proportional to 1,185,022.32, 1,777,113.36 and 426,660.36

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Solution

The fourth proportional to 1,185,022.32, 1,777,113.36 and 426,660.36 is: 639,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,022.32 : 1,777,113.36 = 426,660.36 : x
  2. Step 2: Convert to fraction form
    1,185,022.32/1,777,113.36 = 426,660.36/x
  3. Step 3: Cross multiply
    1,185,022.32x = 1,777,113.36 × 426,660.36
  4. Step 4: Simplify right side
    1,185,022.32x = 758,223,825,938.41
  5. Step 5: Solve for x
    x = 758,223,825,938.41/1,185,022.32
  6. Step 6: Final answer
    x = 639,839.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.