Home / 1,007,078.98-1,389,786.68-548,206.74

Finding the Fourth Proportional to 1,007,078.98, 1,389,786.68 and 548,206.74

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Solution

The fourth proportional to 1,007,078.98, 1,389,786.68 and 548,206.74 is: 756,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,078.98 : 1,389,786.68 = 548,206.74 : x
  2. Step 2: Convert to fraction form
    1,007,078.98/1,389,786.68 = 548,206.74/x
  3. Step 3: Cross multiply
    1,007,078.98x = 1,389,786.68 × 548,206.74
  4. Step 4: Simplify right side
    1,007,078.98x = 761,890,425,138.22
  5. Step 5: Solve for x
    x = 761,890,425,138.22/1,007,078.98
  6. Step 6: Final answer
    x = 756,534.93

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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.