Home / 1,470,499.20-2,205,230.40-523,900.80

Finding the Fourth Proportional to 1,470,499.20, 2,205,230.40 and 523,900.80

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Solution

The fourth proportional to 1,470,499.20, 2,205,230.40 and 523,900.80 is: 785,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,499.20 : 2,205,230.40 = 523,900.80 : x
  2. Step 2: Convert to fraction form
    1,470,499.20/2,205,230.40 = 523,900.80/x
  3. Step 3: Cross multiply
    1,470,499.20x = 2,205,230.40 × 523,900.80
  4. Step 4: Simplify right side
    1,470,499.20x = 1,155,321,970,744.32
  5. Step 5: Solve for x
    x = 1,155,321,970,744.32/1,470,499.20
  6. Step 6: Final answer
    x = 785,666.51

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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.