Home / 1,452,281.25-2,178,432.68-505,650.45

Finding the Fourth Proportional to 1,452,281.25, 2,178,432.68 and 505,650.45

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Solution

The fourth proportional to 1,452,281.25, 2,178,432.68 and 505,650.45 is: 758,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,281.25 : 2,178,432.68 = 505,650.45 : x
  2. Step 2: Convert to fraction form
    1,452,281.25/2,178,432.68 = 505,650.45/x
  3. Step 3: Cross multiply
    1,452,281.25x = 2,178,432.68 × 505,650.45
  4. Step 4: Simplify right side
    1,452,281.25x = 1,101,525,462,408.45
  5. Step 5: Solve for x
    x = 1,101,525,462,408.45/1,452,281.25
  6. Step 6: Final answer
    x = 758,479.44

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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.