Home / 1,274,752.22-1,909,721.66-987,057.77

Finding the Fourth Proportional to 1,274,752.22, 1,909,721.66 and 987,057.77

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Solution

The fourth proportional to 1,274,752.22, 1,909,721.66 and 987,057.77 is: 1,478,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,752.22 : 1,909,721.66 = 987,057.77 : x
  2. Step 2: Convert to fraction form
    1,274,752.22/1,909,721.66 = 987,057.77/x
  3. Step 3: Cross multiply
    1,274,752.22x = 1,909,721.66 × 987,057.77
  4. Step 4: Simplify right side
    1,274,752.22x = 1,885,005,588,556.40
  5. Step 5: Solve for x
    x = 1,885,005,588,556.40/1,274,752.22
  6. Step 6: Final answer
    x = 1,478,723.13

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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.