Home / 989,941.60-1,366,118.56-560,213.92

Finding the Fourth Proportional to 989,941.60, 1,366,118.56 and 560,213.92

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Solution

The fourth proportional to 989,941.60, 1,366,118.56 and 560,213.92 is: 773,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,941.60 : 1,366,118.56 = 560,213.92 : x
  2. Step 2: Convert to fraction form
    989,941.60/1,366,118.56 = 560,213.92/x
  3. Step 3: Cross multiply
    989,941.60x = 1,366,118.56 × 560,213.92
  4. Step 4: Simplify right side
    989,941.60x = 765,318,633,682.36
  5. Step 5: Solve for x
    x = 765,318,633,682.36/989,941.60
  6. Step 6: Final answer
    x = 773,094.73

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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.