Home / 1,143,409.20-1,577,827.80-634,092.72

Finding the Fourth Proportional to 1,143,409.20, 1,577,827.80 and 634,092.72

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Solution

The fourth proportional to 1,143,409.20, 1,577,827.80 and 634,092.72 is: 875,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,409.20 : 1,577,827.80 = 634,092.72 : x
  2. Step 2: Convert to fraction form
    1,143,409.20/1,577,827.80 = 634,092.72/x
  3. Step 3: Cross multiply
    1,143,409.20x = 1,577,827.80 × 634,092.72
  4. Step 4: Simplify right side
    1,143,409.20x = 1,000,489,121,393.62
  5. Step 5: Solve for x
    x = 1,000,489,121,393.62/1,143,409.20
  6. Step 6: Final answer
    x = 875,005.31

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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.