Home / 919,826.31-1,379,969.40-904,569.54

Finding the Fourth Proportional to 919,826.31, 1,379,969.40 and 904,569.54

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Solution

The fourth proportional to 919,826.31, 1,379,969.40 and 904,569.54 is: 1,357,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,826.31 : 1,379,969.40 = 904,569.54 : x
  2. Step 2: Convert to fraction form
    919,826.31/1,379,969.40 = 904,569.54/x
  3. Step 3: Cross multiply
    919,826.31x = 1,379,969.40 × 904,569.54
  4. Step 4: Simplify right side
    919,826.31x = 1,248,278,285,372.08
  5. Step 5: Solve for x
    x = 1,248,278,285,372.08/919,826.31
  6. Step 6: Final answer
    x = 1,357,080.43

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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.