Home / 1,409,771.99-1,945,487.31-765,192.32

Finding the Fourth Proportional to 1,409,771.99, 1,945,487.31 and 765,192.32

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Solution

The fourth proportional to 1,409,771.99, 1,945,487.31 and 765,192.32 is: 1,055,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,771.99 : 1,945,487.31 = 765,192.32 : x
  2. Step 2: Convert to fraction form
    1,409,771.99/1,945,487.31 = 765,192.32/x
  3. Step 3: Cross multiply
    1,409,771.99x = 1,945,487.31 × 765,192.32
  4. Step 4: Simplify right side
    1,409,771.99x = 1,488,671,947,272.34
  5. Step 5: Solve for x
    x = 1,488,671,947,272.34/1,409,771.99
  6. Step 6: Final answer
    x = 1,055,966.46

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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.