Home / 1,720,400.40-2,580,600.60-522,264.60

Finding the Fourth Proportional to 1,720,400.40, 2,580,600.60 and 522,264.60

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Solution

The fourth proportional to 1,720,400.40, 2,580,600.60 and 522,264.60 is: 783,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,400.40 : 2,580,600.60 = 522,264.60 : x
  2. Step 2: Convert to fraction form
    1,720,400.40/2,580,600.60 = 522,264.60/x
  3. Step 3: Cross multiply
    1,720,400.40x = 2,580,600.60 × 522,264.60
  4. Step 4: Simplify right side
    1,720,400.40x = 1,347,756,340,118.76
  5. Step 5: Solve for x
    x = 1,347,756,340,118.76/1,720,400.40
  6. Step 6: Final answer
    x = 783,396.90

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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.