Home / 1,240,479.09-1,712,046.24-757,324.35

Finding the Fourth Proportional to 1,240,479.09, 1,712,046.24 and 757,324.35

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Solution

The fourth proportional to 1,240,479.09, 1,712,046.24 and 757,324.35 is: 1,045,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,479.09 : 1,712,046.24 = 757,324.35 : x
  2. Step 2: Convert to fraction form
    1,240,479.09/1,712,046.24 = 757,324.35/x
  3. Step 3: Cross multiply
    1,240,479.09x = 1,712,046.24 × 757,324.35
  4. Step 4: Simplify right side
    1,240,479.09x = 1,296,574,305,877.94
  5. Step 5: Solve for x
    x = 1,296,574,305,877.94/1,240,479.09
  6. Step 6: Final answer
    x = 1,045,220.61

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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.