Home / 1,007,078.03-1,389,785.40-548,205.80

Finding the Fourth Proportional to 1,007,078.03, 1,389,785.40 and 548,205.80

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Solution

The fourth proportional to 1,007,078.03, 1,389,785.40 and 548,205.80 is: 756,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,078.03 : 1,389,785.40 = 548,205.80 : x
  2. Step 2: Convert to fraction form
    1,007,078.03/1,389,785.40 = 548,205.80/x
  3. Step 3: Cross multiply
    1,007,078.03x = 1,389,785.40 × 548,205.80
  4. Step 4: Simplify right side
    1,007,078.03x = 761,888,410,086.39
  5. Step 5: Solve for x
    x = 761,888,410,086.39/1,007,078.03
  6. Step 6: Final answer
    x = 756,533.65

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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.