Home / 1,098,218.10-1,515,529.29-614,787.22

Finding the Fourth Proportional to 1,098,218.10, 1,515,529.29 and 614,787.22

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Solution

The fourth proportional to 1,098,218.10, 1,515,529.29 and 614,787.22 is: 848,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,218.10 : 1,515,529.29 = 614,787.22 : x
  2. Step 2: Convert to fraction form
    1,098,218.10/1,515,529.29 = 614,787.22/x
  3. Step 3: Cross multiply
    1,098,218.10x = 1,515,529.29 × 614,787.22
  4. Step 4: Simplify right side
    1,098,218.10x = 931,728,037,544.30
  5. Step 5: Solve for x
    x = 931,728,037,544.30/1,098,218.10
  6. Step 6: Final answer
    x = 848,399.82

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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.