Home / 1,038,912.24-1,557,187.20-439,499.28

Finding the Fourth Proportional to 1,038,912.24, 1,557,187.20 and 439,499.28

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Solution

The fourth proportional to 1,038,912.24, 1,557,187.20 and 439,499.28 is: 658,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,912.24 : 1,557,187.20 = 439,499.28 : x
  2. Step 2: Convert to fraction form
    1,038,912.24/1,557,187.20 = 439,499.28/x
  3. Step 3: Cross multiply
    1,038,912.24x = 1,557,187.20 × 439,499.28
  4. Step 4: Simplify right side
    1,038,912.24x = 684,382,653,225.22
  5. Step 5: Solve for x
    x = 684,382,653,225.22/1,038,912.24
  6. Step 6: Final answer
    x = 658,749.24

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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.