Home / 1,343,318.75-2,015,244.03-383,782.52

Finding the Fourth Proportional to 1,343,318.75, 2,015,244.03 and 383,782.52

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Solution

The fourth proportional to 1,343,318.75, 2,015,244.03 and 383,782.52 is: 575,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,318.75 : 2,015,244.03 = 383,782.52 : x
  2. Step 2: Convert to fraction form
    1,343,318.75/2,015,244.03 = 383,782.52/x
  3. Step 3: Cross multiply
    1,343,318.75x = 2,015,244.03 × 383,782.52
  4. Step 4: Simplify right side
    1,343,318.75x = 773,415,432,248.36
  5. Step 5: Solve for x
    x = 773,415,432,248.36/1,343,318.75
  6. Step 6: Final answer
    x = 575,749.75

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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.