Home / 755,120.70-1,133,300.70-749,215.80

Finding the Fourth Proportional to 755,120.70, 1,133,300.70 and 749,215.80

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Solution

The fourth proportional to 755,120.70, 1,133,300.70 and 749,215.80 is: 1,124,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,120.70 : 1,133,300.70 = 749,215.80 : x
  2. Step 2: Convert to fraction form
    755,120.70/1,133,300.70 = 749,215.80/x
  3. Step 3: Cross multiply
    755,120.70x = 1,133,300.70 × 749,215.80
  4. Step 4: Simplify right side
    755,120.70x = 849,086,790,591.06
  5. Step 5: Solve for x
    x = 849,086,790,591.06/755,120.70
  6. Step 6: Final answer
    x = 1,124,438.50

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1.5x scale

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.