Home / 1,132,651.63-1,563,094.69-642,641.80

Finding the Fourth Proportional to 1,132,651.63, 1,563,094.69 and 642,641.80

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Solution

The fourth proportional to 1,132,651.63, 1,563,094.69 and 642,641.80 is: 886,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,651.63 : 1,563,094.69 = 642,641.80 : x
  2. Step 2: Convert to fraction form
    1,132,651.63/1,563,094.69 = 642,641.80/x
  3. Step 3: Cross multiply
    1,132,651.63x = 1,563,094.69 × 642,641.80
  4. Step 4: Simplify right side
    1,132,651.63x = 1,004,509,984,375.93
  5. Step 5: Solve for x
    x = 1,004,509,984,375.93/1,132,651.63
  6. Step 6: Final answer
    x = 886,865.79

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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.