Home / 1,070,189.72-1,605,551.84-755,261.72

Finding the Fourth Proportional to 1,070,189.72, 1,605,551.84 and 755,261.72

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Solution

The fourth proportional to 1,070,189.72, 1,605,551.84 and 755,261.72 is: 1,133,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,189.72 : 1,605,551.84 = 755,261.72 : x
  2. Step 2: Convert to fraction form
    1,070,189.72/1,605,551.84 = 755,261.72/x
  3. Step 3: Cross multiply
    1,070,189.72x = 1,605,551.84 × 755,261.72
  4. Step 4: Simplify right side
    1,070,189.72x = 1,212,611,844,227.56
  5. Step 5: Solve for x
    x = 1,212,611,844,227.56/1,070,189.72
  6. Step 6: Final answer
    x = 1,133,081.19

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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.