Home / 1,190,574.72-1,642,991.87-646,710.93

Finding the Fourth Proportional to 1,190,574.72, 1,642,991.87 and 646,710.93

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Solution

The fourth proportional to 1,190,574.72, 1,642,991.87 and 646,710.93 is: 892,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,574.72 : 1,642,991.87 = 646,710.93 : x
  2. Step 2: Convert to fraction form
    1,190,574.72/1,642,991.87 = 646,710.93/x
  3. Step 3: Cross multiply
    1,190,574.72x = 1,642,991.87 × 646,710.93
  4. Step 4: Simplify right side
    1,190,574.72x = 1,062,540,796,996.58
  5. Step 5: Solve for x
    x = 1,062,540,796,996.58/1,190,574.72
  6. Step 6: Final answer
    x = 892,460.41

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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.