Home / 1,409,256.45-2,113,874.55-344,288.70

Finding the Fourth Proportional to 1,409,256.45, 2,113,874.55 and 344,288.70

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Solution

The fourth proportional to 1,409,256.45, 2,113,874.55 and 344,288.70 is: 516,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,256.45 : 2,113,874.55 = 344,288.70 : x
  2. Step 2: Convert to fraction form
    1,409,256.45/2,113,874.55 = 344,288.70/x
  3. Step 3: Cross multiply
    1,409,256.45x = 2,113,874.55 × 344,288.70
  4. Step 4: Simplify right side
    1,409,256.45x = 727,783,120,782.59
  5. Step 5: Solve for x
    x = 727,783,120,782.59/1,409,256.45
  6. Step 6: Final answer
    x = 516,430.58

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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.