Home / 1,190,576.72-1,642,994.62-646,712.93

Finding the Fourth Proportional to 1,190,576.72, 1,642,994.62 and 646,712.93

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Solution

The fourth proportional to 1,190,576.72, 1,642,994.62 and 646,712.93 is: 892,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,576.72 : 1,642,994.62 = 646,712.93 : x
  2. Step 2: Convert to fraction form
    1,190,576.72/1,642,994.62 = 646,712.93/x
  3. Step 3: Cross multiply
    1,190,576.72x = 1,642,994.62 × 646,712.93
  4. Step 4: Simplify right side
    1,190,576.72x = 1,062,545,864,674.44
  5. Step 5: Solve for x
    x = 1,062,545,864,674.44/1,190,576.72
  6. Step 6: Final answer
    x = 892,463.16

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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.