Home / 919,931.10-1,379,896.65-914,026.20

Finding the Fourth Proportional to 919,931.10, 1,379,896.65 and 914,026.20

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Solution

The fourth proportional to 919,931.10, 1,379,896.65 and 914,026.20 is: 1,371,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,931.10 : 1,379,896.65 = 914,026.20 : x
  2. Step 2: Convert to fraction form
    919,931.10/1,379,896.65 = 914,026.20/x
  3. Step 3: Cross multiply
    919,931.10x = 1,379,896.65 × 914,026.20
  4. Step 4: Simplify right side
    919,931.10x = 1,261,261,691,392.23
  5. Step 5: Solve for x
    x = 1,261,261,691,392.23/919,931.10
  6. Step 6: Final answer
    x = 1,371,039.30

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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.