Home / 1,190,026.49-1,642,191.71-646,150.52

Finding the Fourth Proportional to 1,190,026.49, 1,642,191.71 and 646,150.52

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Solution

The fourth proportional to 1,190,026.49, 1,642,191.71 and 646,150.52 is: 891,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,026.49 : 1,642,191.71 = 646,150.52 : x
  2. Step 2: Convert to fraction form
    1,190,026.49/1,642,191.71 = 646,150.52/x
  3. Step 3: Cross multiply
    1,190,026.49x = 1,642,191.71 × 646,150.52
  4. Step 4: Simplify right side
    1,190,026.49x = 1,061,103,027,356.19
  5. Step 5: Solve for x
    x = 1,061,103,027,356.19/1,190,026.49
  6. Step 6: Final answer
    x = 891,663.37

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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.