Home / 1,190,026.99-1,642,192.40-646,151.02

Finding the Fourth Proportional to 1,190,026.99, 1,642,192.40 and 646,151.02

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Solution

The fourth proportional to 1,190,026.99, 1,642,192.40 and 646,151.02 is: 891,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,026.99 : 1,642,192.40 = 646,151.02 : x
  2. Step 2: Convert to fraction form
    1,190,026.99/1,642,192.40 = 646,151.02/x
  3. Step 3: Cross multiply
    1,190,026.99x = 1,642,192.40 × 646,151.02
  4. Step 4: Simplify right side
    1,190,026.99x = 1,061,104,294,296.25
  5. Step 5: Solve for x
    x = 1,061,104,294,296.25/1,190,026.99
  6. Step 6: Final answer
    x = 891,664.06

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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.