Home / 1,520,469-2,278,883.44-709,762.68

Finding the Fourth Proportional to 1,520,469, 2,278,883.44 and 709,762.68

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Solution

The fourth proportional to 1,520,469, 2,278,883.44 and 709,762.68 is: 1,063,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,469 : 2,278,883.44 = 709,762.68 : x
  2. Step 2: Convert to fraction form
    1,520,469/2,278,883.44 = 709,762.68/x
  3. Step 3: Cross multiply
    1,520,469x = 2,278,883.44 × 709,762.68
  4. Step 4: Simplify right side
    1,520,469x = 1,617,466,417,782.02
  5. Step 5: Solve for x
    x = 1,617,466,417,782.02/1,520,469
  6. Step 6: Final answer
    x = 1,063,794.41

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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.