Home / 1,330,340.46-1,835,871.55-757,380.61

Finding the Fourth Proportional to 1,330,340.46, 1,835,871.55 and 757,380.61

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Solution

The fourth proportional to 1,330,340.46, 1,835,871.55 and 757,380.61 is: 1,045,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,340.46 : 1,835,871.55 = 757,380.61 : x
  2. Step 2: Convert to fraction form
    1,330,340.46/1,835,871.55 = 757,380.61/x
  3. Step 3: Cross multiply
    1,330,340.46x = 1,835,871.55 × 757,380.61
  4. Step 4: Simplify right side
    1,330,340.46x = 1,390,453,514,822.03
  5. Step 5: Solve for x
    x = 1,390,453,514,822.03/1,330,340.46
  6. Step 6: Final answer
    x = 1,045,186.22

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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.