Home / 1,411,039.20-1,947,270.32-766,496.28

Finding the Fourth Proportional to 1,411,039.20, 1,947,270.32 and 766,496.28

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Solution

The fourth proportional to 1,411,039.20, 1,947,270.32 and 766,496.28 is: 1,057,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,039.20 : 1,947,270.32 = 766,496.28 : x
  2. Step 2: Convert to fraction form
    1,411,039.20/1,947,270.32 = 766,496.28/x
  3. Step 3: Cross multiply
    1,411,039.20x = 1,947,270.32 × 766,496.28
  4. Step 4: Simplify right side
    1,411,039.20x = 1,492,575,467,090.09
  5. Step 5: Solve for x
    x = 1,492,575,467,090.09/1,411,039.20
  6. Step 6: Final answer
    x = 1,057,784.55

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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.