Home / 1,409,288.40-2,110,433.40-1,129,352.40

Finding the Fourth Proportional to 1,409,288.40, 2,110,433.40 and 1,129,352.40

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Solution

The fourth proportional to 1,409,288.40, 2,110,433.40 and 1,129,352.40 is: 1,691,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,288.40 : 2,110,433.40 = 1,129,352.40 : x
  2. Step 2: Convert to fraction form
    1,409,288.40/2,110,433.40 = 1,129,352.40/x
  3. Step 3: Cross multiply
    1,409,288.40x = 2,110,433.40 × 1,129,352.40
  4. Step 4: Simplify right side
    1,409,288.40x = 2,383,423,025,330.16
  5. Step 5: Solve for x
    x = 2,383,423,025,330.16/1,409,288.40
  6. Step 6: Final answer
    x = 1,691,224.47

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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.