Home / 1,619,321.80-2,428,982.70-497,390.80

Finding the Fourth Proportional to 1,619,321.80, 2,428,982.70 and 497,390.80

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Solution

The fourth proportional to 1,619,321.80, 2,428,982.70 and 497,390.80 is: 746,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,321.80 : 2,428,982.70 = 497,390.80 : x
  2. Step 2: Convert to fraction form
    1,619,321.80/2,428,982.70 = 497,390.80/x
  3. Step 3: Cross multiply
    1,619,321.80x = 2,428,982.70 × 497,390.80
  4. Step 4: Simplify right side
    1,619,321.80x = 1,208,153,648,339.16
  5. Step 5: Solve for x
    x = 1,208,153,648,339.16/1,619,321.80
  6. Step 6: Final answer
    x = 746,086.20

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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.