Home / 1,615,879.55-2,423,556.81-762,949.55

Finding the Fourth Proportional to 1,615,879.55, 2,423,556.81 and 762,949.55

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Solution

The fourth proportional to 1,615,879.55, 2,423,556.81 and 762,949.55 is: 1,144,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,879.55 : 2,423,556.81 = 762,949.55 : x
  2. Step 2: Convert to fraction form
    1,615,879.55/2,423,556.81 = 762,949.55/x
  3. Step 3: Cross multiply
    1,615,879.55x = 2,423,556.81 × 762,949.55
  4. Step 4: Simplify right side
    1,615,879.55x = 1,849,051,565,471.15
  5. Step 5: Solve for x
    x = 1,849,051,565,471.15/1,615,879.55
  6. Step 6: Final answer
    x = 1,144,300.37

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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.