Home / 1,720,137.96-2,580,215.20-522,070.67

Finding the Fourth Proportional to 1,720,137.96, 2,580,215.20 and 522,070.67

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Solution

The fourth proportional to 1,720,137.96, 2,580,215.20 and 522,070.67 is: 783,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,137.96 : 2,580,215.20 = 522,070.67 : x
  2. Step 2: Convert to fraction form
    1,720,137.96/2,580,215.20 = 522,070.67/x
  3. Step 3: Cross multiply
    1,720,137.96x = 2,580,215.20 × 522,070.67
  4. Step 4: Simplify right side
    1,720,137.96x = 1,347,054,683,353.55
  5. Step 5: Solve for x
    x = 1,347,054,683,353.55/1,720,137.96
  6. Step 6: Final answer
    x = 783,108.51

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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.