Home / 1,190,574.47-1,642,991.52-646,710.69

Finding the Fourth Proportional to 1,190,574.47, 1,642,991.52 and 646,710.69

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Solution

The fourth proportional to 1,190,574.47, 1,642,991.52 and 646,710.69 is: 892,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,574.47 : 1,642,991.52 = 646,710.69 : x
  2. Step 2: Convert to fraction form
    1,190,574.47/1,642,991.52 = 646,710.69/x
  3. Step 3: Cross multiply
    1,190,574.47x = 1,642,991.52 × 646,710.69
  4. Step 4: Simplify right side
    1,190,574.47x = 1,062,540,179,563.35
  5. Step 5: Solve for x
    x = 1,062,540,179,563.35/1,190,574.47
  6. Step 6: Final answer
    x = 892,460.07

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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.