Home / 919,541.27-1,378,624.71-634,418.22

Finding the Fourth Proportional to 919,541.27, 1,378,624.71 and 634,418.22

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Solution

The fourth proportional to 919,541.27, 1,378,624.71 and 634,418.22 is: 951,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,541.27 : 1,378,624.71 = 634,418.22 : x
  2. Step 2: Convert to fraction form
    919,541.27/1,378,624.71 = 634,418.22/x
  3. Step 3: Cross multiply
    919,541.27x = 1,378,624.71 × 634,418.22
  4. Step 4: Simplify right side
    919,541.27x = 874,624,630,791.76
  5. Step 5: Solve for x
    x = 874,624,630,791.76/919,541.27
  6. Step 6: Final answer
    x = 951,153.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.