Home / 1,409,128.83-2,114,074.59-1,004,831.79

Finding the Fourth Proportional to 1,409,128.83, 2,114,074.59 and 1,004,831.79

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Solution

The fourth proportional to 1,409,128.83, 2,114,074.59 and 1,004,831.79 is: 1,507,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,128.83 : 2,114,074.59 = 1,004,831.79 : x
  2. Step 2: Convert to fraction form
    1,409,128.83/2,114,074.59 = 1,004,831.79/x
  3. Step 3: Cross multiply
    1,409,128.83x = 2,114,074.59 × 1,004,831.79
  4. Step 4: Simplify right side
    1,409,128.83x = 2,124,289,354,463.22
  5. Step 5: Solve for x
    x = 2,124,289,354,463.22/1,409,128.83
  6. Step 6: Final answer
    x = 1,507,519.62

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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.