Home / 1,727,542.76-2,588,878.32-815,752.36

Finding the Fourth Proportional to 1,727,542.76, 2,588,878.32 and 815,752.36

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Solution

The fourth proportional to 1,727,542.76, 2,588,878.32 and 815,752.36 is: 1,222,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,542.76 : 2,588,878.32 = 815,752.36 : x
  2. Step 2: Convert to fraction form
    1,727,542.76/2,588,878.32 = 815,752.36/x
  3. Step 3: Cross multiply
    1,727,542.76x = 2,588,878.32 × 815,752.36
  4. Step 4: Simplify right side
    1,727,542.76x = 2,111,883,599,292.84
  5. Step 5: Solve for x
    x = 2,111,883,599,292.84/1,727,542.76
  6. Step 6: Final answer
    x = 1,222,478.34

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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.