Home / 1,087,126.20-1,629,134.10-754,313.40

Finding the Fourth Proportional to 1,087,126.20, 1,629,134.10 and 754,313.40

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Solution

The fourth proportional to 1,087,126.20, 1,629,134.10 and 754,313.40 is: 1,130,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,126.20 : 1,629,134.10 = 754,313.40 : x
  2. Step 2: Convert to fraction form
    1,087,126.20/1,629,134.10 = 754,313.40/x
  3. Step 3: Cross multiply
    1,087,126.20x = 1,629,134.10 × 754,313.40
  4. Step 4: Simplify right side
    1,087,126.20x = 1,228,877,682,026.94
  5. Step 5: Solve for x
    x = 1,228,877,682,026.94/1,087,126.20
  6. Step 6: Final answer
    x = 1,130,391.01

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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.