Home / 1,132,650.93-1,562,706.43-642,539.78

Finding the Fourth Proportional to 1,132,650.93, 1,562,706.43 and 642,539.78

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Solution

The fourth proportional to 1,132,650.93, 1,562,706.43 and 642,539.78 is: 886,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,650.93 : 1,562,706.43 = 642,539.78 : x
  2. Step 2: Convert to fraction form
    1,132,650.93/1,562,706.43 = 642,539.78/x
  3. Step 3: Cross multiply
    1,132,650.93x = 1,562,706.43 × 642,539.78
  4. Step 4: Simplify right side
    1,132,650.93x = 1,004,101,045,736.79
  5. Step 5: Solve for x
    x = 1,004,101,045,736.79/1,132,650.93
  6. Step 6: Final answer
    x = 886,505.29

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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.