Home / 1,074,438.88-1,481,966.96-912,177.11

Finding the Fourth Proportional to 1,074,438.88, 1,481,966.96 and 912,177.11

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Solution

The fourth proportional to 1,074,438.88, 1,481,966.96 and 912,177.11 is: 1,258,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,438.88 : 1,481,966.96 = 912,177.11 : x
  2. Step 2: Convert to fraction form
    1,074,438.88/1,481,966.96 = 912,177.11/x
  3. Step 3: Cross multiply
    1,074,438.88x = 1,481,966.96 × 912,177.11
  4. Step 4: Simplify right side
    1,074,438.88x = 1,351,816,337,832.32
  5. Step 5: Solve for x
    x = 1,351,816,337,832.32/1,074,438.88
  6. Step 6: Final answer
    x = 1,258,160.30

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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.