Home / 1,222,655.76-1,683,777.24-882,585.36

Finding the Fourth Proportional to 1,222,655.76, 1,683,777.24 and 882,585.36

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Solution

The fourth proportional to 1,222,655.76, 1,683,777.24 and 882,585.36 is: 1,215,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,655.76 : 1,683,777.24 = 882,585.36 : x
  2. Step 2: Convert to fraction form
    1,222,655.76/1,683,777.24 = 882,585.36/x
  3. Step 3: Cross multiply
    1,222,655.76x = 1,683,777.24 × 882,585.36
  4. Step 4: Simplify right side
    1,222,655.76x = 1,486,077,141,525.21
  5. Step 5: Solve for x
    x = 1,486,077,141,525.21/1,222,655.76
  6. Step 6: Final answer
    x = 1,215,450.16

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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.