Home / 1,022,851.02-1,411,015.88-780,713.24

Finding the Fourth Proportional to 1,022,851.02, 1,411,015.88 and 780,713.24

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Solution

The fourth proportional to 1,022,851.02, 1,411,015.88 and 780,713.24 is: 1,076,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,851.02 : 1,411,015.88 = 780,713.24 : x
  2. Step 2: Convert to fraction form
    1,022,851.02/1,411,015.88 = 780,713.24/x
  3. Step 3: Cross multiply
    1,022,851.02x = 1,411,015.88 × 780,713.24
  4. Step 4: Simplify right side
    1,022,851.02x = 1,101,598,774,262.95
  5. Step 5: Solve for x
    x = 1,101,598,774,262.95/1,022,851.02
  6. Step 6: Final answer
    x = 1,076,988.48

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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.