Home / 1,132,614.72-1,562,976.80-642,673.44

Finding the Fourth Proportional to 1,132,614.72, 1,562,976.80 and 642,673.44

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Solution

The fourth proportional to 1,132,614.72, 1,562,976.80 and 642,673.44 is: 886,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,614.72 : 1,562,976.80 = 642,673.44 : x
  2. Step 2: Convert to fraction form
    1,132,614.72/1,562,976.80 = 642,673.44/x
  3. Step 3: Cross multiply
    1,132,614.72x = 1,562,976.80 × 642,673.44
  4. Step 4: Simplify right side
    1,132,614.72x = 1,004,483,676,696.19
  5. Step 5: Solve for x
    x = 1,004,483,676,696.19/1,132,614.72
  6. Step 6: Final answer
    x = 886,871.47

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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.