Home / 1,516,920.55-2,275,720.21-570,299.47

Finding the Fourth Proportional to 1,516,920.55, 2,275,720.21 and 570,299.47

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Solution

The fourth proportional to 1,516,920.55, 2,275,720.21 and 570,299.47 is: 855,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,920.55 : 2,275,720.21 = 570,299.47 : x
  2. Step 2: Convert to fraction form
    1,516,920.55/2,275,720.21 = 570,299.47/x
  3. Step 3: Cross multiply
    1,516,920.55x = 2,275,720.21 × 570,299.47
  4. Step 4: Simplify right side
    1,516,920.55x = 1,297,842,024,654.86
  5. Step 5: Solve for x
    x = 1,297,842,024,654.86/1,516,920.55
  6. Step 6: Final answer
    x = 855,576.80

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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.