Home / 1,409,749.80-2,114,624.69-344,779.21

Finding the Fourth Proportional to 1,409,749.80, 2,114,624.69 and 344,779.21

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Solution

The fourth proportional to 1,409,749.80, 2,114,624.69 and 344,779.21 is: 517,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,749.80 : 2,114,624.69 = 344,779.21 : x
  2. Step 2: Convert to fraction form
    1,409,749.80/2,114,624.69 = 344,779.21/x
  3. Step 3: Cross multiply
    1,409,749.80x = 2,114,624.69 × 344,779.21
  4. Step 4: Simplify right side
    1,409,749.80x = 729,078,630,064.70
  5. Step 5: Solve for x
    x = 729,078,630,064.70/1,409,749.80
  6. Step 6: Final answer
    x = 517,168.81

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1.5x scale

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.