Home / 1,240,479.60-1,712,046.94-757,324.86

Finding the Fourth Proportional to 1,240,479.60, 1,712,046.94 and 757,324.86

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Solution

The fourth proportional to 1,240,479.60, 1,712,046.94 and 757,324.86 is: 1,045,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,479.60 : 1,712,046.94 = 757,324.86 : x
  2. Step 2: Convert to fraction form
    1,240,479.60/1,712,046.94 = 757,324.86/x
  3. Step 3: Cross multiply
    1,240,479.60x = 1,712,046.94 × 757,324.86
  4. Step 4: Simplify right side
    1,240,479.60x = 1,296,575,709,148.93
  5. Step 5: Solve for x
    x = 1,296,575,709,148.93/1,240,479.60
  6. Step 6: Final answer
    x = 1,045,221.31

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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.