Home / 1,148,682.84-1,585,154.94-639,374.28

Finding the Fourth Proportional to 1,148,682.84, 1,585,154.94 and 639,374.28

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Solution

The fourth proportional to 1,148,682.84, 1,585,154.94 and 639,374.28 is: 882,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,682.84 : 1,585,154.94 = 639,374.28 : x
  2. Step 2: Convert to fraction form
    1,148,682.84/1,585,154.94 = 639,374.28/x
  3. Step 3: Cross multiply
    1,148,682.84x = 1,585,154.94 × 639,374.28
  4. Step 4: Simplify right side
    1,148,682.84x = 1,013,507,298,450.94
  5. Step 5: Solve for x
    x = 1,013,507,298,450.94/1,148,682.84
  6. Step 6: Final answer
    x = 882,321.27

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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.