Home / 1,037,993.28-1,557,604.80-438,921.60

Finding the Fourth Proportional to 1,037,993.28, 1,557,604.80 and 438,921.60

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Solution

The fourth proportional to 1,037,993.28, 1,557,604.80 and 438,921.60 is: 658,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,993.28 : 1,557,604.80 = 438,921.60 : x
  2. Step 2: Convert to fraction form
    1,037,993.28/1,557,604.80 = 438,921.60/x
  3. Step 3: Cross multiply
    1,037,993.28x = 1,557,604.80 × 438,921.60
  4. Step 4: Simplify right side
    1,037,993.28x = 683,666,390,983.68
  5. Step 5: Solve for x
    x = 683,666,390,983.68/1,037,993.28
  6. Step 6: Final answer
    x = 658,642.41

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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.