Home / 1,138,864.80-1,571,591.52-655,504.32

Finding the Fourth Proportional to 1,138,864.80, 1,571,591.52 and 655,504.32

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Solution

The fourth proportional to 1,138,864.80, 1,571,591.52 and 655,504.32 is: 904,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,864.80 : 1,571,591.52 = 655,504.32 : x
  2. Step 2: Convert to fraction form
    1,138,864.80/1,571,591.52 = 655,504.32/x
  3. Step 3: Cross multiply
    1,138,864.80x = 1,571,591.52 × 655,504.32
  4. Step 4: Simplify right side
    1,138,864.80x = 1,030,185,030,635.37
  5. Step 5: Solve for x
    x = 1,030,185,030,635.37/1,138,864.80
  6. Step 6: Final answer
    x = 904,571.84

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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.