Home / 1,250,911.47-1,725,345.57-792,100.74

Finding the Fourth Proportional to 1,250,911.47, 1,725,345.57 and 792,100.74

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Solution

The fourth proportional to 1,250,911.47, 1,725,345.57 and 792,100.74 is: 1,092,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,911.47 : 1,725,345.57 = 792,100.74 : x
  2. Step 2: Convert to fraction form
    1,250,911.47/1,725,345.57 = 792,100.74/x
  3. Step 3: Cross multiply
    1,250,911.47x = 1,725,345.57 × 792,100.74
  4. Step 4: Simplify right side
    1,250,911.47x = 1,366,647,502,752.72
  5. Step 5: Solve for x
    x = 1,366,647,502,752.72/1,250,911.47
  6. Step 6: Final answer
    x = 1,092,521.36

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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.